试题 试卷
题型：单选题 题类：模拟题 难易度：普通
——More than 30,000 miles.
—He failed it three times. he passed it last week after much practicing.
— Well, I hope you can make a change（改变）. Doing more exercise is good for you.
— Three times a week.
—No problem. Let me tell you the steps.
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