A1l flights _________ because of the heavy storm, so we decided to take the train.
A.have canceled | B.have been canceled |
C.had canceled | D.had been canceled |
相关知识点
推荐试卷
A1l flights _________ because of the heavy storm, so we decided to take the train.
A.have canceled | B.have been canceled |
C.had canceled | D.had been canceled |
试题篮
()