Question

【题目】You wear that red coat if you don't like it.

A. have not to B. don't have to C. need not to D. doesn't have to

Answer 1

【答案】B

【解析】句意：如果你不喜欢那件红色的外套，你就不必穿它。have to的否定式要借助于助动词don’t或doesn’t，不能在have后面直接加not，排除A；由于主语是第二人称，排除D；need用作情态动词时，否定句在need后加not，后面要跟动词原形，C选项也是错误的，故答案选B。