题目内容
3.You __________ to leave until you __________ your work.( )A. | won't be allowed; have finished | |
B. | won't allow; finish | |
C. | won't be allowed; will finish | |
D. | won't allow; will finish |
分析 直到你完成作业才能容许回家.
解答 答案:A
从句意推测,从句描述的是某个时间前完成的动作,故用现在完成时态;主句表示将来的动作,并且与allow是被动关系,即will be allowed to do..,再结合固定句型not…until…可知选项为A.
点评 考生须将时态和具体语境结合使用.

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