All flights   because of the storm, they had to wait in the hall.
#94560
A
have put off
B
were put off
C
have been put off
D
having been put off
推荐题目
There is a small object _____ a pin on the desk.
#89797
A
resembling
B
resembling with
C
resembled
D
resembled like
I never put anything _____ others into my bag.
#92815
A
belongs to
B
belonging to
C
is belonging to
D
is belonged to