20 more ultra-tough mixed practice sets (Sets 75–94) combining:

20 more ultra-tough mixed practice sets (Sets 75–94) combining:

• Verb/Adjective + Preposition Pairs
• Articles (a / an / the / no article)
• Subject-Verb Agreement
• Verb Tenses
• Passive Voice
• Collective Nouns
• Complex Subjects
• Present Perfect vs Past Simple

These sets are designed to closely resemble difficult PTE Reading & Writing: Fill in the Blanks questions.

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Set 75

Passage:

The development of renewable energy technologies, together with government incentives, (1) ________ (encourage / encourages / encouraging) private investment in green industries. Many businesses are now interested (2) ________ (in / on / about) reducing their carbon footprint. (3) ________ (A / An / The) ambitious project was launched in Norway last year to expand offshore wind farms. Since then, (4) ________ (a / an / the) project has attracted billions of dollars in funding.

Answers: 1. encourages | 2. in | 3. An | 4. the

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Set 76

Passage:

The number of people suffering (1) ________ (from / of / by) sleep disorders has increased significantly over the past decade. Medical researchers are currently working (2) ________ (on / in / for) new treatments. (3) ________ (A / An / The) important discovery was made earlier this year. Since that discovery, several pharmaceutical companies (4) ________ (invest / invested / have invested) heavily in this field.

Answers: 1. from | 2. on | 3. An | 4. have invested

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Set 77

Passage:

Neither the senior engineer nor the technicians (1) ________ (is / are / was) responsible for the system failure. The investigation committee (2) ________ (meet / meets / meeting) every week to review safety procedures. Last month, the committee (3) ________ (recommend / recommends / recommended) several changes. Since then, the company (4) ________ (implement / implements / has implemented) new protocols.

Answers: 1. are | 2. meets | 3. recommended | 4. has implemented

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Set 78

Passage:

Many students struggle (1) ________ (with / for / about) academic writing because they are unfamiliar (2) ________ (with / to / about) citation rules. (3) ________ (A / An / The) online course was introduced by the university last semester. Since completing (4) ________ (a / an / the) course, students have shown significant improvement.

Answers: 1. with | 2. with | 3. An | 4. the

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Set 79

Passage:

The impact of social media on public opinion (1) ________ (remain / remains / remaining) a topic of debate. Many users are exposed (2) ________ (to / with / for) misleading information every day. (3) ________ (A / An / The) extensive study was published in 2024. Since then, governments (4) ________ (introduce / introduced / have introduced) stricter regulations.

Answers: 1. remains | 2. to | 3. An | 4. have introduced

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Set 80

Passage:

Every one of the participants (1) ________ (receive / receives / receiving) a certificate after completing the program. The organizers are pleased (2) ________ (with / for / about) the positive feedback. (3) ________ (A / An / The) unexpected challenge emerged during the event. However, (4) ________ (the / a / an) issue was resolved quickly.

Answers: 1. receives | 2. with | 3. An | 4. the

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Set 81

Passage:

The quality of modern healthcare services (1) ________ (depend / depends / depending) heavily on technological innovation. Hospitals often invest (2) ________ (in / on / for) advanced diagnostic equipment. (3) ________ (A / An / The) MRI scanner was installed last year. Since then, (4) ________ (a / an / the) scanner has improved diagnostic accuracy.

Answers: 1. depends | 2. in | 3. An | 4. the

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Set 82

Passage:

Climate scientists are concerned (1) ________ (about / for / with) rising sea levels. Coastal communities often rely (2) ________ (on / to / for) fishing and tourism for income. (3) ________ (A / An / The) international conference was held in Geneva last month. The participants agreed that (4) ________ (a / an / the) problem requires urgent action.

Answers: 1. about | 2. on | 3. An | 4. the

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Set 83

Passage:

The board of directors (1) ________ (approve / approves / approving) major financial decisions. Several investors are interested (2) ________ (in / on / for) supporting the new venture. (3) ________ (A / An / The) innovative proposal was presented yesterday. Since then, (4) ________ (a / an / the) proposal has received widespread support.

Answers: 1. approves | 2. in | 3. An | 4. the

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Set 84

Passage:

The amount of waste generated by urban households (1) ________ (increase / increases / increasing) every year. Environmental groups continue to appeal (2) ________ (to / for / on) governments for stronger policies. (3) ________ (A / An / The) effective recycling program was introduced in South Korea. Since then, waste levels (4) ________ (fall / fell / have fallen) significantly.

Answers: 1. increases | 2. to | 3. An | 4. have fallen

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Set 85

Passage:

Neither the manager nor the employees (1) ________ (know / knows / knowing) the exact cause of the accident. The safety team (2) ________ (investigate / investigates / investigating) such incidents regularly. Last week, they (3) ________ (identify / identifies / identified) several risks. Since then, new measures (4) ________ (adopt / adopted / have been adopted).

Answers: 1. know | 2. investigates | 3. identified | 4. have been adopted

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Set 86

Passage:

The use of artificial intelligence in education (1) ________ (raise / raises / raising) important ethical questions. Teachers are often skeptical (2) ________ (about / of / for) relying entirely on technology. (3) ________ (A / An / The) expert panel discussed these issues recently. The recommendations from (4) ________ (a / an / the) panel are now being implemented.

Answers: 1. raises | 2. about | 3. An | 4. the

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Set 87

Passage:

The majority of students (1) ________ (prefer / prefers / preferring) online resources for exam preparation. Many are familiar (2) ________ (with / to / about) educational apps. (3) ________ (A / An / The) useful platform was introduced last year. Since then, (4) ________ (a / an / the) platform has gained millions of users.

Answers: 1. prefer | 2. with | 3. A | 4. the

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Set 88

Passage:

Public confidence in scientific research (1) ________ (remain / remains / remaining) high in many countries. Researchers are committed (2) ________ (to / for / in) improving public understanding of science. (3) ________ (A / An / The) educational campaign began in 2023. Since then, public awareness (4) ________ (increase / increased / has increased).

Answers: 1. remains | 2. to | 3. An | 4. has increased

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Set 89

Passage:

The expansion of digital banking services (1) ________ (make / makes / making) financial transactions easier. Customers are satisfied (2) ________ (with / about / for) the convenience of mobile applications. (3) ________ (A / An / The) unexpected system failure occurred last week. Fortunately, (4) ________ (the / a / an) problem was fixed within hours.

Answers: 1. makes | 2. with | 3. An | 4. the

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Set 90

Passage:

Every employee in the organization (1) ________ (receive / receives / receiving) annual training. Staff members are responsible (2) ________ (for / to / with) following company policies. (3) ________ (A / An / The) important update was announced yesterday. Since then, (4) ________ (a / an / the) policy has been revised.

Answers: 1. receives | 2. for | 3. An | 4. the

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Set 91

Passage:

The economics of space exploration (1) ________ (remain / remains / remaining) controversial. Scientists are optimistic (2) ________ (about / for / with) future discoveries. (3) ________ (A / An / The) ambitious mission to Mars was planned last year. Since then, international agencies (4) ________ (cooperate / cooperated / have cooperated) closely.

Answers: 1. remains | 2. about | 3. An | 4. have cooperated

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Set 92

Passage:

Neither the professor nor the students (1) ________ (were / was / is) aware of the scheduling error. The administration (2) ________ (handle / handles / handling) such matters carefully. Last semester, it (3) ________ (introduce / introduced / introduces) a new digital system. Since then, fewer mistakes (4) ________ (occur / occurred / have occurred).

Answers: 1. were | 2. handles | 3. introduced | 4. have occurred

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Set 93

Passage:

The preservation of historical monuments (1) ________ (require / requires / requiring) significant investment. Governments often cooperate (2) ________ (with / to / for) international organizations to fund restoration projects. (3) ________ (A / An / The) ancient temple was restored in India recently. Since then, (4) ________ (a / an / the) site has attracted thousands of tourists.

Answers: 1. requires | 2. with | 3. An | 4. the

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Set 94 (Final Challenge)

Passage:

The complexity of modern global supply chains, together with increasing geopolitical tensions, (1) ________ (create / creates / creating) serious challenges for businesses. Many companies are concerned (2) ________ (about / with / for) disruptions in trade routes. (3) ________ (A / An / The) unexpected crisis in one region can affect markets worldwide. Since the pandemic, organizations (4) ________ (develop / developed / have developed) more resilient supply strategies.

Answers: 1. creates | 2. about | 3. An | 4. have developed

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Ultra-Fast Master Rules

Grammar Point	Quick Rule
Subject + of + noun	Verb agrees with the first noun.
Along with / together with	Ignore these phrases.
Neither/Nor, Either/Or	Verb agrees with the nearest subject.
Each / Every / Everyone	Always singular.
The number of	Singular verb.
A number of	Plural verb.
Since + time/event	Present Perfect.
Last year / yesterday	Past Simple.
Interested / concerned / worried	in / about / about
Responsible / famous	for
Good / bad	at
Depend / rely	on
Invest	in
A / An	First mention; use sound rule.
The	Second mention or specific item.