While Helen the piano, her mother came in.A. was playing B. is playingC. playedD. plays——青夏教育精英家教网——

题目内容

While Helen ______ the piano, her mother came in.

A. was playing
B. is playing
C. played
D. plays

试题答案

A

相关题目

While Helen ______ the piano, her mother came in.

A. was playing
B. is playing
C. played
D. plays

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