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(单选题)The author write this passage for ______. (单选题)Johns proved his ability as a salesman by______. (单选题)Which is the most important character of asbestos that the a (单选题)Which of the following is the best title? (单选题)Why did the author ask the kids to get out of the car on the (单选题)What does the author discover from the trip according to par (单选题)The author stopped regularly on the country roads to ______. (单选题)Why did the author use to take freeways to her parents’ home (单选题)Which is the best title of the article? (单选题)Which of the following is true according to the passage?