问题

Someone is ringing the doorbell. Go and see ______ .
A:who is he
B:who he is
C:who it is
D:who is it
B:who he is
C:who it is
D:who is it
正确答案是:
同类题型
You know, Bob is a little slow _____ understanding, so…— So I have to be patient _____ him[ ]
’t you seen the speed limit signPlease drive _______.—Sorry, but I have to.
They ______ my brothers, and she ________ my cousin.
Tommy, your mum has been out without glasses! — Well, take it easy _______ she is back home for them