We were having supper when the phone rang.We were having supper w_英语解答

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?

人气：354 ℃　时间：2019-10-24 02:35:23

解答

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