It___toberaining

发布时间:2020-07-12 04:19:48

It ___ to be raining when we went to see him off at a railway station.












A.happened











B.had happened










C.took place










D.took

网友回答

A解析happen to (be/to)意为:恰巧,碰巧,不可用had happened to be/do.
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