【題目】It is very important for us to _______and work hard.

A. keep fit B. keep fat

C. keeping fit D. keeps fat

【答案】A

【解析】

試題分析：句意：對(duì)于我們來(lái)說(shuō)保持健康和努力學(xué)習(xí)是很重要的。keep fit 保持健康；keep fat 保持肥胖；keeping fit是動(dòng)名詞形式；keeps fit是第三人稱(chēng)單數(shù)形式。這句話(huà)中使用的句型是It is +形容詞+for sb. to do sth.，對(duì)于某人來(lái)說(shuō)做某事是……的。因此這里應(yīng)該用動(dòng)詞原形，根據(jù)句意可知選A。

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