While Helen ______ the piano, her mother came in.

A. was playing
B. is playing
C. played
D. plays
A
請在這里輸入關(guān)鍵詞:
相關(guān)習題

科目:初中英語 來源:期中題 題型:單選題

While Helen ______ the piano, her mother came in.
[     ]
A. was playing
B. is playing
C. played
D. plays

查看答案和解析>>


同步練習冊答案