Find out which part of the following sentence has an error :-
The earth moves round the sun, Isn't it?"
The error in the sentence is in the tag question at the end: "Isn't it?". The correct tag question to use in this case is "doesn't it?" instead of "isn't it?" since the main verb in the sentence is "moves," which is a present simple tense verb.
The correct option is C.
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