问题
选择题
Professor Black has been working in the forest for years, _____ to the research of wild plants and animals. [ ]
A. devoted
B. devoting
C. to devote
D. and devote
答案
答案：A
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Professor Black has been working in the forest for years, _____ to the research of wild plants and animals. [ ]
A. devoted
B. devoting
C. to devote
D. and devote
答案：A
