Direction: In each of 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 your 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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                        - We
- have to return back
- immediately.
- No error
 
Correct Option: B
back will not be used with return because return (Verb) means come/go back 
Hence, have to return is the right usage 
 
	