of the land in that district covered with trees and grass.A. Two-five ; isB. Two-fifth ;

of the land in that district covered with trees and grass.
A. Two-five ; is
B. Two-fifth ; are
C. Two-fifths ; is
D. Two-fifths ; are

A. Two-five ; isB. Two-fifth ; are(答案→)C. Two-fifths ; isD. Two-fifths ; are解析：句意：在该区的五分之二的土地覆盖着树和草。英语中的分数，分子用基数词，分母用序数词，当分子大于一时分母要用复数形式；land不可数，所以选C。

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