题海让大学四年没有难题
白天模式登陆

题目详情

单选题 All flights __( )__because of the terrible weather, they had to go there by train

A. were canceled

B. had been canceled

C. having canceled

D. having been canceled

学科:24级A级大学英语

时间:2024-12-25 08:18:14

Copyright © 2022 津ICP备2021001502号