问题

.If we ________ earlier, we would have had trouble getting good seats.
A:didn’t arrive
B:haven’t arrived
C:hadn’t arrived
D:couldn’t arrive
B:haven’t arrived
C:hadn’t arrived
D:couldn’t arrive
正确答案是:
同类题型
My parents used ________ they had to get anew car for me.
Hurry up, Jack. We have to get to the station before11:45 wecan catch the 12:00 train.
We have been told that under no circumstances_______ the office telephone for personal affairs.
They ________ a certain amount of working experience through volunteer work.[ ]
to gain access to seats at collegethe seniors are working hard.