you_____finish all the tasks in the liimited time A don‘t haveB dont' have to C haven’t to
D doesn't have to
人气：384 ℃ 时间：2020-10-01 20:02:26
解答
have to 是固定搭配,表示“不得不”否定形式为don't have to,所以选B为啥不选C和Dhave to 的否定形式就是don't have to 所以C被排除掉，至于D项，You是主语，是第二人称，谓语动词要用复数，如果主语是he或者she 就可以选D了
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