___________where the sound laboratory9

2023-05-26

A.Has it decided; will build
B.Will it be decided; will be built
C.Has it been decided; will be built
D.Is it decided; is built

参考答案:C

第一个空,事情被决定,强调其结果,故用现在完成时的被动语态。第二个空,语音室应该是被建造.故选C。

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