All flights___ because of the snowstorm, we decided to take the train. 
#94777
A
were canceled 
B
had been canceled
C
having canceled
D
having been canceled
推荐题目
He admitted ________ some bicycles from her school.
#96534
A
steal
B
to steal
C
having stolen
D
to have stolen
When asked by the police, he said that he remembered ______ at the party, but not ______.
#90671
A
to arrive; leaving
B
arriving; leaving
C
arriving; to leave
D
to arrive; to leave