问题

See the flags on top of the building? That was _______ we did this morning.
A:when
B:which
C:where
D:what
B:which
C:where
D:what
正确答案是:
同类题型
-What does the sign over there say?-“No person _______ bring drinks into the student computer pool.”
It is reported that 39 Vietnamese died in October __________ illegal immigration (移民) into the UK.
I don’t understand the story though there are___ new words in it.
Where did you meet him while in Nanjing—It was in the hotel ________ I stayed ________ I met him.
you should go back to your plan,which is much more practical than the present one