—Could you tell me __________?  —Certainly. In half an hour. 
#38604
A
when will the train to Beijing leave
B
when the train to Beijing would leave
C
when the train to Beijing left
D
when the train to Beijing leaves
推荐题目
I didn’t know          at first, but later we became good friends.
#38440
A
who is the boy
B
who the boy is
C
who was the boy
D
who the boy was
Could you tell me__________?
#37698
A
what’s the matter with you
B
what was the matter with you
C
what the matter with you is
D
what the matter with you was