【題目】______ of his time ______ been spent on studies every day.

A. Four-fifths; hasB. Four-fifths; have

C. Four-five; hasD. Fourths-five; have

【答案】A

【解析】

句意:他每天五分之四的時間花在學習上?疾榉謹(shù)表達法。英語中的分數(shù)由基數(shù)詞和序數(shù)構(gòu)成——分子用基數(shù)詞,分母用序數(shù),分子超過“1”時,分母用復數(shù),可排除CD兩項。分數(shù)做主語是單數(shù)第三人稱,謂語動詞用第三人稱單數(shù)形式,可排除have;根據(jù)句意結(jié)構(gòu),故選A.

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