20. of the land in that county covered with trees and grass. A.Two fifth-is B.Two fifth-are C.Two fifths-is D.Two fifths-are 查看更多

 

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________ of the land in that county ________ covered with trees and grass.

[  ]

A.Two fifth…is

B.Two fifth…are

C.Two fifths…is

D.Two fifths…are

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