When l was watching TV last night,l heard that an awful car accident()(happen)in the city center.
是填happen还是has happened还是had happened?
上面那个问句是错的,
是填happened还是has happened还是had happened?
人气：441 ℃ 时间：2019-11-14 01:42:23
解答
had happened:看电视（过去时）以前已经发生了（过去的过去：过去完成）
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