【題目】Three-quarters of the land _____covered with green grass .while the rest _____covered with pine trees.

A. is, is B. is, are

C. are, is D. are, are

【答案】A

【解析】

考查主謂一致。句意：四分之三的土地被綠草覆蓋，其余的土地被松樹(shù)覆蓋。分?jǐn)?shù)(百分?jǐn)?shù))+of+名詞”結(jié)構(gòu)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的數(shù)與其中名詞的數(shù)保持一致；land為不可數(shù)名詞，故后面用is。The rest指代land的一部分，故謂語(yǔ)動(dòng)詞還是用is。故A選項(xiàng)正確。

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