◎ 题干
He said he couldn't stop __________ when he heard the good news.
[     ]
A. to laugh
B. laugh
C. laughing
D. laughed
◎ 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 said he couldn't stop__________ when he heard the good news.[ ]A. to laughB. laughC. laughingD. laughed…”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。