According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.
A．is ; has madeB．a(chǎn)re; have made
C．is; have madeD．a(chǎn)re; has made
C
這題考察主謂 一致,當(dāng)主語是分?jǐn)?shù)和百分?jǐn)?shù)時,謂語和它們修飾的名詞一致,因為第一空的主語是 two thirds of the area所以第一空填is, ,第二空主語是90% of the population,強調(diào)具體的人,填have made.選C.
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