16Hit1600
Standard English ConventionsMediumSubject-verb agreement with a compound subject joined by 'or'

Standard English Conventions practice question

Either the two assistants or the head gardener ____ the greenhouse each evening.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. A. locksCorrect
  2. B. lock
  3. C. are locking
  4. D. have locked

Answer: A. locks

With 'either … or', the verb agrees with the nearer subject, 'the head gardener', which is singular.

Why the other answers are wrong

B. lock
'Lock' agrees with the farther subject, 'assistants'.
C. are locking
'Are locking' is plural.
D. have locked
'Have locked' is plural.

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