All flights ( ) because of the terrible weather, they had to go there by train.
举一反三
- All flights _______ because of the snowstorm, we had to take the train.
- All flights ______ because of the storm, they decided to take the train.
- All the flights __________ because of the snowstorm, we had to take the train instead, though it would take much longer time.
- All the flights ______ because of the snowstorm, we had to take the train instead.( ) A: had been cancelled B: having cancelled C: having been cancelled D: were cancelled
- All flights _________because of the heavy fog, we had to decide to take the train. A: were canceled B: having canceled C: having been canceled D: have been canceled