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TOEFL iBT Mock Test
A timed 25-question mock for the Test of English as a Foreign Language (iBT) covering english grammar, vocabulary & idioms. Answer, submit and review every question with its explanation; set negative marking to match your exam’s current scheme.
TOEFL iBT mock test
25 questions · 1 mark each · the timer starts with your first answer and the test submits itself when time runs out.
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Q1.English GrammarChoose the correct option: Scarcely ___ the room when the lights went out.
Answer: B — had I entered
Negative adverbs at the start (scarcely, hardly) cause inversion: “had I entered”.
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Q2.Vocabulary & IdiomsChoose the antonym of OPTIMISTIC.
Answer: A — Pessimistic
Optimistic = expecting good outcomes; pessimistic = expecting the worst.
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Q3.English GrammarChoose the correct option: If I ___ you, I would accept the offer.
Answer: C — were
The subjunctive “were” is used in hypothetical conditions: “If I were you…”.
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Q4.Vocabulary & IdiomsChoose the word closest in meaning to CORROBORATE.
Answer: A — Confirm
Corroborate means confirm or give support to a statement.
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Q5.English GrammarChoose the correct option: Hardly had he left ___ it started raining.
Answer: B — when
The correlative pair is “hardly … when” (also “no sooner … than”).
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Q6.Vocabulary & IdiomsChoose the antonym of VERBOSE.
Answer: A — Concise
Verbose = using more words than needed; concise = brief.
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Q7.English GrammarChoose the correct option: The number of applicants ___ increased.
Answer: C — has
“The number of” takes a singular verb; “a number of” takes a plural verb.
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Q8.Vocabulary & IdiomsChoose the synonym of DILIGENT.
Answer: C — Hard-working
Diligent means showing care and effort in work.
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Q9.English GrammarChoose the correctly punctuated sentence.
Answer: A — It’s a lovely day.
“It’s” is the contraction of “it is”; “its” is possessive.
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Q10.Vocabulary & IdiomsChoose the synonym of RESILIENT.
Answer: D — Tough
Resilient means able to recover quickly from difficulty.
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Q11.English GrammarChoose the correct article: He is ___ honest man.
Answer: A — an
“Honest” begins with a vowel sound (silent h), so “an”.
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Q12.Vocabulary & IdiomsOne word for: A list of books referred to in a scholarly work.
Answer: D — Bibliography
A bibliography lists the sources consulted.
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Q13.English GrammarChoose the correct option: I would rather you ___ now.
Answer: A — left
“Would rather + subject” is followed by the past tense for present/future meaning: “left”.
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Q14.Vocabulary & IdiomsChoose the antonym of ALLEVIATE.
Answer: D — Aggravate
Alleviate = make less severe; aggravate = make worse.
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Q15.English GrammarChoose the word that fits: The news ___ surprising.
Answer: C — is
“News” is an uncountable noun and takes a singular verb.
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Q16.Vocabulary & IdiomsChoose the antonym of TRANQUIL.
Answer: B — Agitated
Tranquil = calm; agitated = troubled or nervous.
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Q17.English GrammarChoose the correct option: He insisted ___ paying the bill.
Answer: C — on
“Insist” takes the preposition “on” + gerund.
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Q18.Vocabulary & IdiomsChoose the antonym of SCARCITY.
Answer: B — Abundance
Scarcity = shortage; abundance = plenty.
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Q19.English GrammarChoose the correct option: The committee ___ divided in their opinions.
Answer: D — were
When members of a collective noun act individually (divided opinions), a plural verb is used: “were”.
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Q20.Vocabulary & IdiomsOne word for: Fear of heights.
Answer: D — Acrophobia
Acrophobia is an extreme fear of heights.
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Q21.English GrammarChoose the correct tag question: She can swim, ___?
Answer: A — can’t she
A positive statement takes a negative tag with the same auxiliary: “can’t she?”.
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Q22.Vocabulary & IdiomsMeaning of the idiom “a blessing in disguise”.
Answer: C — A good thing that seemed bad at first
Something that seems unfortunate but turns out to be beneficial.
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Q23.English GrammarChoose the correct option: The train ___ by the time we reach the station.
Answer: B — will have left
An action completed before a future point takes the future perfect: “will have left”.
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Q24.Vocabulary & IdiomsOne word for: Something that cannot be read.
Answer: B — Illegible
Illegible means not clear enough to be read.
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Q25.English GrammarChoose the correct option: Let’s discuss ___ the matter tomorrow.
Answer: B — no preposition
“Discuss” is transitive: we discuss the matter (no “about”).
How the mock test works
- The timer starts with your first answer; the test submits itself when time runs out.
- Choose the negative marking that matches your exam (this test has no negative marking by default — check the official notification).
- After submitting you get your score, accuracy, time taken and a topic-wise breakdown, then every explanation.
- “New mock test” builds another paper — calculation questions get new numbers.
About TOEFL iBT
Test of English as a Foreign Language (iBT) — conducted by Educational Testing Service (ETS). Academic English test accepted by universities worldwide.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
TOEFL iBT practice topics
| Topic | Section | Question source |
|---|---|---|
| English Grammar | English | Question bank |
| Vocabulary & Idioms | English | Question bank |