◎ 题干
Though it is very hot, I am busy writing materials for my students, only ____ once in a while to have some
water.
[     ]
A. stopping
B. to stop
C. stop
D. stopped
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Though it is very hot, I am busy writing materials for my students, only ____ once in a while to have some water. [ ]A. stopping B. to stopC. stopD. stopped…”主要考查了你对  【现在分词】  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。