The new library building last week.A. completedB. was completedC. is completedD. has compl

问题补充：

The new library building last week.

A. completed

B. was completed

C. is completed

D. has completed

答案：

A. completed

(答案→)B. was completed

C. is completed

D. has completed

解析：句意：新博物馆上周完成。博物馆是被建成的，因此要用被动语态。因为是last week，所以要用一般过去时。故选B.