题目内容
Dr. Ma has _____ most of his time to _____ people with eye problems.
A. devote, helping B. devoted, help
C. devoted, helping D. devote, help
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题目内容
Dr. Ma has _____ most of his time to _____ people with eye problems.
A. devote, helping B. devoted, help
C. devoted, helping D. devote, help