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

A．Two fifth; is          B．Two fifth; are    C．Two fifths ; is            D．Two fifths; are

_____ of the land in that district _______ covered with trees and grass.

       of the land in that district          covered with trees and grass.

       of the land in that district          covered with trees and grass.

A．Two fifth；is                           B．Two fifth；are

C．Two fifths；is                          D．Two fifths；are

_____ of the land in that district _______ covered with trees and grass.

       of the land in that district          covered with trees and grass.

         of the land in that district         covered with trees and grass.

A．Two fifth/is      B．Two – fifth/are C．Two – fifths/is D．Two – fifths/are

10、______ of the land in that district ______ covered with trees and grass.

       of the land in that district          covered with trees and grass.

______ of the land in that district _______ covered with trees and grass.