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20．Beijing is one of the in the world today．A．busiest city B．busiest cities C．busy city D．busy cities 【查看更多】

 

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Beijing is one of the ____________ in the world today．

A．busiest city           B．busiest cities         C．busy city            D．busy cities

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Beijing is one of the         in the world today．

A．busiest city          B．busiest cities         C．busy city            D．busy cities

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Beijing is one of the ________ in the world today．

[　　]
A．

busiest city

B．

busiest cities

C．

busy city

D．

busy cities

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Beijing is one of the ______ in the world today.

A．busiest city        B．busiest cities       C．busy city          D．busy cities

 

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