Direction: In the following questions, some parts of the sentences have errors and some have none. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, then your answer is (4) i.e. No error.
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Solve the question according to given instruction
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- Either an officer
- or an assistant
- are required.
- No error
Correct Option: C
is will replace are because –
when either ___ or (Connectors) are used the Verb agrees with the nearest Subject.
Look at the examples given below : 
