问题

This is the first time I __________ to the capital to attend the celebration ceremony.
A:came
B:come
C:have come
D:had come
B:come
C:have come
D:had come
正确答案是:
同类题型
Why not go to see the movie with Lydia?—Because I ______ it.
A moment, please.I’m checking if Mr. Smith _________ free tomorrow.
I can’t see the blackboard. Can you _______ the light?
It’s very friendly_ him to help me when I’m in trouble.[ ]
It is difficult to ________ a conversation with someone who only says “Yes” and “No”.