A new library __in my hometown now. A.was built B.was being built C.is building D.is being built

问题描述:

A new library __in my hometown now. A.was built B.was being built C.is building D.is being built

D
now,现在进行时,A new library 做主语,所以用现在进行时的被动语态,结构:is/are being done(过去分词)