1.否定句：I can't sing and dance.一般疑问句：Can you sing and dance?
肯定回答:Yes,I can.否定回答No,I can't.对画线句子提问:What can you do?
2.否定句He doesn't has any friends.一般疑问句:Does he has any friends?
肯定回答 :Yes,he can.否定回答:No,he can't.对画线句子提问:What does he have?
3.翻译：我们是无家可归的人.否定句:We aren't homeless peopie.
一般疑问句:Are you homeless people?肯定回答:Yes,we are.
否定回答:No,we can't.对画线句子提问:Who are you.
错误的地方请指出!