◎ 题干
____________ they ____________ in the forest?  Yes, they are.
[     ]
A. Do, watch insects
B. Are, watching insects
C. Did, watch insects
◎ 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“____________ they ____________in the forest? Yes, they are.[ ]A. Do, watch insects B. Are, watching insects C. Did, watch insects…”主要考查了你对  【现在进行时,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。