34.Another railway bridge ____ there now..Another railway bridge ____ there now.A.is building B.is being built C.is built D.has been built为什么不可以选D

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 09:28:42
34.Anotherrailwaybridge____therenow..Anotherrailwaybridge____therenow.A.isbuildingB.isbeingbuiltC.is

34.Another railway bridge ____ there now..Another railway bridge ____ there now.A.is building B.is being built C.is built D.has been built为什么不可以选D
34.Another railway bridge ____ there now.
.Another railway bridge ____ there now.
A.is building B.is being built C.is built D.has been built
为什么不可以选D

34.Another railway bridge ____ there now..Another railway bridge ____ there now.A.is building B.is being built C.is built D.has been built为什么不可以选D
选B.is being built
首先 是被动语态
其次 看时态 now 用现在进行时 ,而且这里也没有现在完成时的标志,故选B.

选B
另一座铁路桥正在建设。因为有now,所以不能用完成时,是正在被建设。