Are the keys on the desk?—______.They are in the door.

题目

Are the keys on the desk?—______.They are in the door.
1 yes they are
2no they aren’t
3no it is

答案

很高兴能够在这里回答你的问题,这道题的正确答案应该为：
选2
后面说在门上,所以不在桌子上．
主语为复数,所以用　No,they aren't.