---- Look! Everything here is under construction. ---- Oh, has the building once ___ for exhibition been pulled down, too?
#95843
A
having been built
B
being built
C
to be built
D
built
推荐题目
The hurricane left, _______ the ruins to this area. 
#98462
A
to be left
B
leaving
C
to leave
D
left
As we all know,________, the pollution will get worse and worse.
#93666
A
not if carefully dealt with
B
until not carefully dealt with
C
if not carefully dealt with
D
when not carefully dealt with
Seeing the picture, I couldn’t resist ______the days_____ we spent together.
#94528
A
to think of; when
B
thinking of; which
C
to think of; which
D
thinking of; when