第1题
A. has been forgotten
B.had been forgotten
C.has been left
D.had been left
第3题
It is/was the first time(that)I have/had ever been in a plane.
第4题
A. has been left
B.had been left
C.has been forgotten
D.had been forgotten
第5题
______ for your help, we'd never have been able to get over the difficulties.
A) Had it not B) Had it not been
C) If it were not D) If we had not been
第6题
A.was
B.has been
C.had been
D.is
第7题
The meeting had been ______ until next Sunday.
A.announced
B.transmitted
C.put aside
D.postponed
第8题
A.错误
B.正确
第9题
If only it ()so cold, perhaps I, too, ()more initiative.
A、had been,have shown
B、have been,would show
C、had’t been,cound't have shown
D、had't been,could have shown
第10题
I ______ (会告诉他答案) had it been possible, but I was so busy then.