题目内容
【题目】---How ________ do I need to exercise?( )
---You need twenty minutes of exercise three times a week.
A.manyB.muchC.oftenD.long
【答案】C
【解析】
略
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题目内容
【题目】---How ________ do I need to exercise?( )
---You need twenty minutes of exercise three times a week.
A.manyB.muchC.oftenD.long
【答案】C
【解析】
略