◎ 题干
Only in that way _____ find out how this kind of animal lived and then finished the research on time.

[     ]

A. could they
B. they could
C. did they
D. they were able to
◎ 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“Only in that way _____find out how this kind of animal lived and then finished the research on time.[ ]A. could they B. they could C. did they D. they were …”主要考查了你对  【部分倒装】  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。