I was just falling asleep there was a loud knock at the door.A. whileB. whenC. untilD. as

发布时间：2020-08-23 02:55:59

I was just falling asleep      there was a loud knock at the door.
A. while
B. when
C. until
D. as soon as

网友回答

A. while
(答案→)B. when
C. until
D. as soon as
解析：while当……时，强调主从动作同时发生；when当……时；until直到；as soon as一……就。句意：当传来大声的敲门声时，我刚睡着。结合语境可知我睡着在先，故选B。
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