when I was reading the newspaper,the phone rang.与 I was reading the newspaper when the phone rang.

问题描述:

when I was reading the newspaper,the phone rang.与 I was reading the newspaper when the phone rang.
when I was reading the newspaper,the phone rang.与 I was reading the newspaper when the phone rang.

前者强调的是电话响了,后者强调的是我读报纸