The flight to Chicago ______ because of the heavy fog ,we ha
The flight to Chicago ______ because of the heavy fog ,we had to take the train. A)had been cancele The flight to Chicago ______ because of the heavy fog ,we had to take the train. A)had been canceled B)was canceled C)having canceled D)having been canceled
选D.去芝加哥的航班由于大雾天气被取消了,所以我们不得不坐火车(去). 主句we had to take the train,The flight to Chicago ______ because of the heavy fog 做从句,所以A.B错误(若选A或B则变成两个并列句,不符合句意).航班被取消,是被动句所以选D.