Jack (did his homework) last night.

问题描述:

Jack (did his homework) last night.
改为:一般疑问句,肯、否定回答,对括号内提问

一般疑问句:Did Jack do his homework last night?
肯定回答:Yes,he did.
否定回答:No,he didn't.
划线提问:What did Jack do last night?