问题

it yesterday.
A:hadconducted
B:have conducted
C:didn’t you
D:don’t you
B:have conducted
C:didn’t you
D:don’t you
正确答案是:
同类题型
The engineer hasspent one year working in the US and discovered how things ________overseas.
__________the burglar from the second floor when the house owner found him stealing last night
This article is too long, can you ________ it ________ to 2,000 words?
You’ve missed your ____, and you will have to wait forthe next round.