题目内容
【题目】Our game of basketball ________.We had been playing for about half an hour when it started to rain heavily.
A.has interrupted
B.had interrupted
C.was interrupted
D.had been interrupted
【答案】C
【解析】game与interrupt 构成被动关系,排除A、B项,由后句可知事情发生在过去,用一般过去时。

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