问下这两个英语句子之间的差别1.I was about to leave when suddenly the telephone rang.2.I was about to leave when suudenly the telephone was ringing

分类: 作业答案 • 2021-12-19 15:13:10

问题描述：

问下这两个英语句子之间的差别
1.I was about to leave when suddenly the telephone rang.
2.I was about to leave when suudenly the telephone was ringing

答