When l was watching TV last night,l heard that an awful car accident()(happen)in the city center.

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?
英语人气:615 ℃时间:2019-11-14 01:42:23
优质解答
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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