A:Is he sitting on a football?B:No,he's not.He's sitting on a basketball.可以换成No,he isn't .
问题描述:
A:Is he sitting on a football?B:No,he's not.He's sitting on a basketball.可以换成No,he isn't .
答
不可以
答
可以,而且其实No,he isn't.更常见