The number of international students ______ increased steadily over the last decade.
Answer and explanation
Correct answer: A. has
- Step 1: 'The number of' takes a singular verb. Step 2. The present perfect 'has increased' fits 'over the last decade'. Answer: has. Why not the others: 'have' and 'are' are plural, and 'were' does not suit the present perfect.
Practise more Grammar in Context (Set 2).
Free questions with an explanation for every one, and full timed TOEFL mock tests.
More Grammar in Context (Set 2) questions
- Each of the students ______ a separate laboratory report by Friday.
- By the time the lecture began, most of the audience ______ in their seats.
- The researchers found that the new method was ______ than the traditional one.
- If the committee ______ the proposal earlier, the project would have started in March.
- The professor, ______ lectures are always crowded, will give a talk on climate policy.
- She enjoys ______ in the library because it is quiet.