更正楼上答案如下：
1.Are these new pens?
Yes,they are.
No,they aren't.
2.Does he have any friends?
Yes,he does.
No,he doesn't.
3.Does Kangkang come from China?
Yes,he does.
No,he doesn't.
4.要求同上面三句一样的变化么?
Is your new coat green?
Yes,it is.
No,it isn't.