题目内容
(2017,兰州) When you ________ me last night, I ________ the piano.
A. were calling;was playing B. were calling;played C. called;was playing
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题目内容
(2017,兰州) When you ________ me last night, I ________ the piano.
A. were calling;was playing B. were calling;played C. called;was playing