【題目】 It’s good for your health _____ every day.

A. to exercise B. to exercising C. exercise

【答案】A

【解析】

試題分析：句意：每天鍛煉對你的健康有好處。it is +形容詞 for sth(sb)+ to do ….做某事對某人（某事）是……。it代替動詞不定式做形式主語，故選A。

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