While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.
问题描述:
While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.
答
如果改成后者就是说我们看电视的同时门铃正在响,而原句是当我们看电视的时候,门铃突然响了,而非持续进行的.
嗯,这样!