问题
选择题
The new library building ___________last week.
A．completed
B．was completed
C．is completed
D．has completed
答案
答案：B
题目分析：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.
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The new library building ___________last week.
A．completed
B．was completed
C．is completed
D．has completed
答案：B
题目分析：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.