I usually sleep with the window open it’s very cold.A. untilB. unlessC. whenD. if

发布时间:2020-08-21 04:27:13

I usually sleep with the window open      it’s very cold.
A. until
B. unless
C. when
D. if

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A. until
(答案→)B. unless
C. when
D. if
解析:连词辨析。Until直到;unless除非,如果不; when 当……时;if是否,如果。句意:如果不是太冷,我通常开着窗户睡觉。结合语境可知选B。
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