题目内容
While I _______ TV in the sitting room, the bell _______.
A.watches, rings | B.watched, rang |
C.was watching, rang | D.watched, was ringing |
C
解析
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While I ___________ TV, the bell rang.
A.watch | B.watched | C.am watching | D.was watching |
While I _______ TV in the sitting room, the bell _______.
A.watches, rings | B.watched, rang |
C.was watching, rang | D.watched, was ringing |