◎ 题干
He gave up ______two years ago. That’s to say, he is a non-smoker now.
[     ]

A. smoke
B. smoking
C. to smoke
D. smoked

◎ 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“He gave up ______ two years ago. That's to say, he is a non-smoker now.[ ]A. smoke B. smoking C. to smoke D. smoked …”主要考查了你对  【动名词】  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。