【題目】__________ of the land in that district __________ covered with trees and grass.

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

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

【答案】A

【解析】句意：這個地區(qū)五分之二的土地被綠樹和草地覆蓋。分數(shù)構(gòu)成:分子由基數(shù)詞構(gòu)成，分母由序數(shù)詞構(gòu)成，分子大于一，分母用復數(shù)；分數(shù)修飾名詞作主語，謂語動詞由名詞的人稱和數(shù)決定，land為不可數(shù)名詞，謂語動詞用單數(shù)。

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