句型转换。1. I had a nice trip.（改为一般疑问句）
2. He played cards yesterday.（改为一般疑问句）
3. Were you happy last weekend7（作肯定回答）
4. Can Danny fly a kite?（作否定回答）
5. It isn't easy.（改为同义句）
试题答案
1. Did you have a nice trip? 2. Did he play cards yesterday? 3. Yes, I was.
4. No,he can't. 5. It is hard.