－Look! Everything here is under construction.－Oh, has the building once ________

题干

－Look! Everything here is under construction.
－Oh, has the building once _________ for exhibition been pulled down, too?

A．being built

B．been built

C．to be built

D．built

上一题下一题 0.4难度单项选择更新时间:2012-01-02 12:23:41

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