一般疑问句的肯定与否定回答 — 英语词汇题

看问句，选出正确的回答，把序号写在括号里。（　）1. Can you swim?　A. Yes, I can.　B. Yes, I do.　（　）2. Can he fly a kite?　A. No, he can't.　B. No, he isn't.　（　）3. Can your sister dance?　A. Yes, she can.　B. Yes, she is.　（　）4. Can they play football?　A. No, they don't.　B. No, they can't.