She had just finished her homework her mother asked her to practice playing the piano yes

发布时间：2020-08-17 11:45:11

She had just finished her homework      her mother asked her to practice playing the piano yesterday.

A. when
B. while
C. after
D. since

网友回答

(答案→)A. when
B. while
C. after
D. since
解析：考查连接词。根据主从句的动词时态可知主句谓语动词的动作在从句谓语动词之前已经完成，引导词的意思是：当……的时候，选A。
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