of the land in that district covered with trees and grass．
A. Two fifth; is
B. Two fifths; is
C. Two fifth; are
D. Two fifths; are
网友回答
A. Two fifth; is
(答案→)B. Two fifths; is
C. Two fifth; are
D. Two fifths; are
解析：考查主谓一致。分数或百分数+名词做主语时，谓语要和of后面的名词保持一致，题中the land为不可数名词，故谓语用单数形式，Two fifths五分之二，故选B。