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【題目】---Brian does work hard.

---Yes. of his time been spent on studies every day.

A. Four fifths；has B. Four fifths；have

C. Four five；has D. Four five；have

【答案】A

【解析】

試題分析：句意：——布萊恩學習很刻苦。——是的，每天五分之四的時間都用在學習上。分數(shù)用“基數(shù)詞+序數(shù)詞”表示，復數(shù)形式在序數(shù)詞后面加s。分數(shù)百分數(shù)作主語時，關鍵看后面名詞是否可數(shù)來決定單復數(shù)，time 不可數(shù)，故選A。

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