20. It was already 11 o’clock in the eveningthey arrived at the hotel. A. whenB. before C.

发布时间：2020-08-15 03:06:59


20. It was already 11 o’clock in the evening    they arrived at the hotel.
A. when
B. before
C. that
D. Since

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(答案→)A. when
B. before
C. that
D. Since
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