一道英语选择题：They ___ since they left last July.（）They ___ since they_英语解答

一道英语选择题：They ___ since they left last July.
（）They ___ since they left last July.
A.had been away B.have been away
对的话,请说一下理由.

人气：236 ℃　时间：2019-08-21 15:40:27

解答

答案是B,用A的话有歧义,此句的意思应该是他们离开后一直还没回来,所以选B.