题目内容

(·湖南省衡阳八中高三上第一次月考)   31. All flights ________called off because of the terrible weather, they had to go there by train.

A. were          B. having been                 C. being         D. had been

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网