Doctor Nathan is said to have been ________to researching into wild animals in Africa for more than ...
2022-10-03 15:02:29 162次 江苏省高中英语选修六牛津译林版练习题：Unit 2 What is happiness to you？ 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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
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