问题
Excuse me, could you tell me _______?—Sorry, sir. I wasn’t there at that time.
A:how did the accident happen
B:how the accident happened
C:how does the accident happen
D:how the accident happens
B:how the accident happened
C:how does the accident happen
D:how the accident happens
正确答案是：
同类题型
How long have you been a League member?—_____two years ago.[ ]
He often has _____ _____eleven o’clock.[ ]
In China,people like eating some yin food ______tofu. [ ]
You had better the book to others.— No, I won’t. [ ]
About 20 firemen were killed in the fire which broke ______in Yueyang, Hunan Province last week.[ ]