括号内一般疑问句,否定回答：Helen (cleaned the blackboard) ten minutes ago)
问题描述：
括号内一般疑问句,否定回答：Helen (cleaned the blackboard) ten minutes ago)
答
what did helen do ten minutes ago?
答
楼上的回答给的是特殊疑问句吧?一般疑问句是要能够用yes或者no回答的好不好?
这句很简单,应该这样问：Did Helen clean the blackboard ten minutes ago?回答就可以说Yes, she did.或者No, she didn't.