题目内容
To keep ______, we must do more out-of-door exercises.
A. well B. fine C. fit D. health ‘
C
解析:
keep fit是词组,指“保持健康”。
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题目内容
To keep ______, we must do more out-of-door exercises.
A. well B. fine C. fit D. health ‘
C
keep fit是词组,指“保持健康”。