题目内容
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
B
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小学能力测试卷系列答案题目内容
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
B
小学能力测试卷系列答案