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题型：单选题 题类：常考题 难易度：普通
鲁教版（五四制）七年级上册Unit 6 How often do you exercise? Period 1 Section A (1a-2d) 同步练习
— Not really. About _______________ a week.
—But they are good for your health! You should eat them every day.
—No, _______.
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