From the words lettered A to D, choose the word that best completes each of the following sentences.
Only one of the contestants……….able to answer the question correctly
- can be
- are
-
was
- were
The correct answer is: C
Explanation
"Only one of the contestants was able to answer the question correctly."
"Only one" refers to a singular subject, so it requires a singular verb. Therefore, "was" is the correct verb to use here.