They to enter the building by the back door; however, the front door was locked.
A. are supposed
B. aren’t supposed
C. weren’t supposed
D. were supposed
They to enter the building by the back door; however, the front door was locked.A. are su
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解决时间 2021-04-08 05:38
- 提问者网友：孤山下
- 2021-04-07 07:52
最佳答案
- 五星知识达人网友：洎扰庸人
- 2021-04-07 09:24
A. are supposedB. aren’t supposed(答案→)C. weren’t supposedD. were supposed解析：考查短语：be supposed to do 应该做某事，根据后半句the front door was locked.，可知前半句也应用过去式，句意：他们不应该通过后门进入这个大楼，可是，前门锁上了。根据句意应选C。
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- 1楼网友：酒醒三更
- 2021-04-07 10:00
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