【題目】-Why do you get up so early every day?

- . is good for our health.

A. Exercise; Exercising B. To exercise; Exercising

C. Exercising; Exercise D. Exercises; Exercise

【答案】B

【解析】

試題分析：句意：-為什么你每天起床那么早？--為了鍛煉。鍛煉對(duì)我們的健康有好處。動(dòng)詞不定式表示目的。動(dòng)名詞做主語(yǔ)，故選B。

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