◎ 题干
Doctor Nathan is said to have been ________ to researching into wild animals in Africa for more than
ten years.
[    ]
A. absorbed  
B. devoted
C. concentrated  
D. engaged
◎ 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“Doctor Nathan is said to have been ________ to researching into wild animals in Africa for more than ten years.[ ]A. absorbedB. devotedC. concentratedD. eng…”主要考查了你对  【动词】  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。