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
A: were canceled
B: having canceled
C: having been canceled
D: have been canceled
举一反三
- All flights ______, we decided to take a train. A: were canceled B: had been canceled C: having canceled D: having been canceled
- All the fights() because of the snowstorm, we had to take the train instead. A: were canceled B: had been canceled C: having canceled D: having been canceled
- All flights have been canceled because of bad weather.
- 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 storm, they decided to take the train. A: having cancelled B: having been cancelled C: were cancelled D: have been cancelled