变否定句改为一般疑问句及回答 1 i was a teacher ten years ago

题目

变否定句改为一般疑问句及回答 1 i was a teacher ten years ago
2 they were brothers before
3 lucy was happy yesterday
4 i sang a song at the party
5 he played the piano
6 she danced very well

答案

你好,同学,很高兴回答你的问题 正确答案如下： 否定句：I wasn't a teacher ten years ago.They weren't brothers before.Lucy wasn't happy yesterday.I didn't sing a song at the party.He didn't play...