16Hit1600
Standard English ConventionsMediumAgreement with 'one of the'

Standard English Conventions practice question

One of the harbour's three cranes ____ still worked by hand.

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

  1. A. isCorrect
  2. B. are
  3. C. were
  4. D. have been

Answer: A. is

The subject is 'One', singular; 'of the harbour's three cranes' describes it.

Why the other answers are wrong

B. are
'Are' agrees with 'cranes', not 'One'.
C. were
'Were' is plural.
D. have been
'Have been' is plural.

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