Question

【题目】You don't have to come to help me with my lessons if you are busy tomorrow.

A.needn'tB.mustn'tC.can't

Answer 1

【答案】A

【解析】

句意：如果你明天忙的话，你不必来帮助我学习功课。

考查情态动词的用法。A. needn't 不必；B. mustn't禁止； C. can't不能，不会。根据句意如果你明天忙的话，你不必来帮助我学习功课可知。本句中don't have to是的意思。故答案为A。