◎ 题干
—Do you often hear John _____ in his room?
—Yes, listen! Now we can hear him ____ in his room.
[     ]
A. sing; to sing
B. singing; sing
C. sing; singing
D. to sing; singing
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Do you often hear John _____ in his room?—Yes, listen! Now we can hear him ____ in his room. [ ]A. sing; to singB. singing; sing C. sing; singing D. to…”主要考查了你对  【实义动词】【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。