题文
All flights __________ because of the snowstorm, we decided to take the train.
| A．were canceled | B．had been canceled |
| C．having canceled | D．having been canceled |
推荐试卷
All flights __________ because of the snowstorm, we decided to take the train.
| A．were canceled | B．had been canceled |
| C．having canceled | D．having been canceled |
试题篮
()
粤公网安备 44130202000953号
