Either the students or the teacher ______ responsible for the mistake.
Answer and explanation
Correct answer: A. is
- Step 1: With 'either ... or' the verb agrees with the closer noun, the singular 'teacher'.
Answer
is.
Why not the others: "have been" is wrong because the plural form does not agree with the nearer subject. "were" is wrong because the verb agrees with the nearer subject, 'teacher', so it must be singular. "are" is wrong because the verb agrees with the nearer subject, 'teacher'.
Practise more Verb patterns, modals and agreement.
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