Health es first. We should everyday to .
A. take exercise, keep fit
B. take exercises, keep fit
C. take exercise, keep health
D. take exercises, keep healthy
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(答案→)A. take exercise, keep fit
B. take exercises, keep fit
C. take exercise, keep health
D. take exercises, keep healthy
解析:考查词组:第一空填take exercise,锻炼,exercise表示“锻炼”是不可数名词,第二空填keep fit 和keep healthy都可以,句意:健康第一,我们应该每天锻炼保持健康。选A。