试题 试卷
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? 单元测试卷
— Twice a week.
—About 15 minutes' walk.
—It's on the desk.
—About 5 minutes' walk.
—Three times a week.
"Once a week."
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