Because all the roads leading to the mountain village , the rescue workers were not able to reach it to help. A. were blocked B. are blocked C. have been blocked D. had been blocked 查看更多

 

题目列表(包括答案和解析)

Because all the roads leading to the mountain village ______, the rescue workers were not able to reach it to help.

  A. were blocked    B. are blocked    C. have been blocked  D. had been blocked

 

查看答案和解析>>


同步练习册答案