How ofen do you take exercise?A.sometimes B.Three hours C.At three o'clock D.In two hours

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How ofen do you take exercise?A.sometimes B.Three hours C.At three o'clock D.In two hours

How ofen问的是动作的频率,
所以应该选择A 有时候
BCD选项都在说时间或时间段明显不合
明白吗?

B
句意是你多久锻炼一次?
sometimes 有时
three hours 三个小时一次
at three o'clock 三点
in two hours 两个小时内