33. We were to go out for a walk it began to rain.A. whileB. beforeC. asD. when

发布时间：2020-08-16 07:37:11


33. We were to go out for a walk      it began to rain.
A. while
B. before
C. as
D. when

网友回答

A. while
B. before
C. as
(答案→)D. when
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