We are not allowed to touch it.We__touch it A.mustn't B.mustn't to C.haven't to D.don't have to这句话中为什么不选C,选A,C错在哪里,怎样翻译.
问题描述：
We are not allowed to touch it.We__touch it A.mustn't B.mustn't to C.haven't to D.don't have to
这句话中为什么不选C,选A,C错在哪里,怎样翻译.
答
A.mustn't 表示禁止做某事,
根本就没有haven't to 这种说法,have to 的否定句为:don't /doesn't/didn't have to do sth.不必做某事