Single correct option
Fill in the blank with the most suitable option.
The number of accidents ____ declined this year.
The number of accidents ____ declined this year.
- A. have
- B. are
- C. were
- D. has
Show answer and solution
Answer: (D) has
'The number of' takes a singular verb because the subject is 'number', not 'accidents'; contrast with 'a number of', which takes a plural verb. 'This year' calls for the present perfect, so 'has declined' is right, and the plural options are the trap.
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