In the given question, a part or the complete sentence is printed in bold. Below each sentence, some phrases are given which can substitute the bold part of the sentence. Find out the phrase which can correctly substitute that part of the sentence. If the sentence is correct as it is, mark the answer as 'No correction required' or 'No Improvement'.
You need not come unless you want to.
You don't need to come unless you want to
You don't need to come unless you want to.