单项选择题

Not until this week were they aware of the problems with the air-conditioning units in the hotel rooms.

A. 这个星期旅馆里的空调间出问题了，他们没有意识到。
B. 直到这个星期他们才意识到该修理旅馆房间里的空调了。
C. 直到这个星期他们才知道旅馆房间里的空调设备有问题。
D. 他们查不出旅馆房间内空调的故障，这个星期会请人来检查。
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单项选择题
What Annie had hoped for from married life was to ______.
A. escape from her working-class background
B. have a husband and home of her own
C. spend all day running her home efficiently
D. be able to give up work
单项选择题
In the first 5 minutes of walking, you should walk
A. quickly
B. slowly
C. at top speed
D. at medium pace
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