改为一般疑问句及否定句：1.He had dinner at 6 last night.2.He is having a bath.
问题描述：
改为一般疑问句及否定句：1.He had dinner at 6 last night.2.He is having a bath.
3.Mr.Smith had a haircut yesterday.
4.He often has a swim in the afternoon
答
否定句：1.He did not have dinner at 6 last night.2.He is not having a bath.3.Mr.Smith did not have a haircut yesterday.4.He seldom has a swim in the afternoon.一般疑问句：1.Did he have dinner at 6 las...