We could divide chartered carrier transport into whole chartered flights and part chartered flights according to the cargo volume.

All flights ---------- because of the snowstorm, we decided to take the bus.

All flights _______ because of the snowstorm, we had 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.

On our way to Beijing， we visited Xi’an， a city of two million _______， and stayed there for two days. A: insects B: human C: inhabitants D: flights

All flights ______, we decided to take a train. A: were canceled B: had been canceled C: having canceled D: having been canceled

What do “Irregular flights” refer to? A: delayed flights B: cancelled flights C: Both A and B D: none of the above

On our way to Beijing, we visited Xi’an, a city of two million<br/>_______, and stayed there for two days. () A: insects B: human C: inhabitants D: flights

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

scheduled flights