.— John,you _____ go out to play until your homework __________ .—OK,Mum.
.Amust; finishes B.can’t; is finished C.can’t; has finished D.needn’t; finishes
.— John,you _____ go out to play until your homework _______
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解决时间 2021-02-26 04:21
- 提问者网友：轻浮
- 2021-02-25 23:53
最佳答案
- 五星知识达人网友：慢性怪人
- 2021-02-26 00:27
选 B can’t; is finished
homework,是被做完的,所以一定要用被动语态.这里只有 B 里的 is finished 是被动语态.
C has finished 是现在完成时,不行.
如果要用现在完成时,要说：until your homework has been finished.
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