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We were having supper when the phone rang.We were having supper when the phone ringing.We were having supper when the phone was ringing .哪个句子是对的?

分类: 作业答案 • 2021-12-20 03:05:46

问题描述：

We were having supper when the phone rang.We were having supper when the phone ringing.We were having supper when the phone was ringing .哪个句子是对的?

答

第一个
第三个只要吧when改成while就好了,while接进行时,when接一般式