Question

【题目】﹣Must I prepare for the trip today？

﹣No，you ____ prepare for it today，You can do it tomorrow．

A. need B. don't need C. needn't

Answer 1

【答案】C

【解析】句意：﹣我必须今天为旅行做准备吗？﹣不，你不必今天做准备，你可以明天再做。A. need情态动词，需要，后跟动词原形；B. don't need 不需要，need为实义动词；C. needn't情态动词的否定形式。prepare动词，准备； needn't prepare不需要准备。故选：C。