题目内容
It’s suggested that everyone should_______ at least one hour a day to keep fit.
A. work for B. work out C. work at D. work on
【答案】
B
【解析】略
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题目内容
It’s suggested that everyone should_______ at least one hour a day to keep fit.
A. work for B. work out C. work at D. work on
B
【解析】略