All flightsbecause of the snowstorm, man
题型:选择题
问题:
All flights because of the snowstorm, many passengers could do nothing but take the train .
A.had been canceled
B.have been canceled
C.having been canceled
D.being canceled
All flights because of the snowstorm, many passengers could do nothing but take the train .
A.had been canceled
B.have been canceled
C.having been canceled
D.being canceled