Mum did the homework after supper.就did the homework提问
问题描述：
Mum did the homework after supper.就did the homework提问
答
what did mum do after supper ？原句中的did是实意动词
答
what did mum do after supper？
我的回答不错吧？！呵呵
给分哦！
答
what did mum do after supper 又是你
答
What did mum do after supper?