I was doing my homework my mother was doing some sewing. A. during B. whenC. while D. aft

发布时间：2020-08-23 02:32:06

I was doing my homework      my mother was doing some sewing.
A. during
B. when
C. while
D. after

网友回答

A. during
B. when
(答案→)C. while
D. after
解析：A. during在…期间  B. when当…时候 C. while 当…时候D. after在…之后；句意：当我的妈妈在缝衣服的时候，我正在做家庭作业。while    当…时候，强调两个动词同时进行，故选C
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