◎ 题干
—You’re coughing badly,Martin. Why not give up smoking?
—Give up smoking?Easier said than done,Amy. Once you ______ the habit of smoking,it is very hard for you to ______.
A.keep up; break it awayB.take up; drop it out
C.pick up; get rid of itD.build up; do away with it
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—You’re coughing badly,Martin. Why not give up smoking?—Give up smoking?Easier said than done,Amy. Once you ______ the habit of smoking,it is very hard fo…”主要考查了你对  【动词短语】【动词】  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。