It's high time that measures
were taken/should be taken
were taken/should be taken
（take） to prevent the air from being polluted．

【答案】were taken/should be taken

【解答】

【點評】

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發(fā)布：2024/12/8 21:0:2組卷：21引用：2難度：0.6

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A．expression	B．recognition
C．organization	D．realization

It's high time that measures were taken/should be takenwere taken/should be taken（take） to prevent the air from being polluted．