There ______ many people ______ in the office, but now nobody is allowed to.
#74935
A
used to be;smoking
B
used to have;smoking
C
used to be;smoke
D
used to have;smoke
推荐题目
The mayor will go to Beijing by train _____ by air.
#66612
A
instead of
B
instead
C
in place of
D
in place
Our car             and we had to push it off the road.  
#70593
A
broke out
B
broke up
C
broke down
D
broke away