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All the lights ______ before we left the office.A、has been turned offB、have tur
All the lights ______ before we left the office.A、has been turned offB、have tur
游客
2024-07-19
7
管理
问题
All the lights ______ before we left the office.
选项
A、has been turned off
B、have turned off
C、had been turned off
D、had turned off
答案
C
解析
我们离开办公室之前把所有的灯都关上了。
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