All flights _____because of the snowstorm，we decided to take the train instead.
#91303
A
were canceled
B
had been canceled
C
having canceled
D
having been canceled
推荐题目
_________ Australia’s relatively small population, its outstanding performance in the Olympic Games was really amazing.
#90993
A
Having considered
B
Considered
C
Considering
D
To consider
On Sundays there were a lot of children playing in the park, ____ parents seated together joking.
#91066
A
whose
B
their
C
which
D
where
___taken away made his parents worried and they had to turn to the police for help.
#91519
A
Tom’s
B
Tom being
C
Tom
D
Tom’s being