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试题题干

All flights ()because of the storm; they decided to take the train. 

A

having canceled 

B

have been canceled

C

were canceled

D

having been canceled

参考答案

正确答案:

试题解析

考查一般过去时。由于暴风雨,所有的航班都取消了,他们决定乘火车。两个句子用分号连接为并列关系,decided为过去式, cancel应为过去时态,故选C。