问题
选择题
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
答案：B
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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：B