问题补充:
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
答案:
(答案→)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
解析:句意:一直到你完成工作才可以离开。前一空表示被允许,因此用被动语态;后一空和前一空存在逻辑上的先后顺序,因此用现在完成时态。