【題目】 It is very good __________________ us to be in good __________________.

A. for；health B. for；healthy

C. in；health D. to；healthy

【答案】A

【解析】句意：保持健康對(duì)我們有益。be good for意為＂對(duì)……有益＂；be in good health意為＂保持健康＂，均為固定短語(yǔ)，故選A。

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