◎ 题干
Mr. Smith likes traveling _______; but his wife enjoys _______. 
A.by train; taking a taxiB.on train; by taxi
C.by train; by taxiD.on train; taking a taxi
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Mr. Smith likes traveling _______; but his wife enjoys _______.A.by train; taking a taxiB.on train; by taxi C.by train; by taxiD.on train; taking a taxi…”主要考查了你对  【介词和介词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。