↑ 收起筛选 ↑
试题详情

All flights ____ because of the snowstorm, many passengers could do nothing but take the train.

A.had been canceled                      B.have been canceled

C.having been canceled                    D.being canceled

高二英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题