题目内容
He used to ______ his teaching when he was young.
A. devote to B. be devoted to
C. devoting to D. being devoted to
B
used to do 过去经常; be used to doing 习惯; be devoted to 忠诚于,投身到,献身于。
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题目内容
He used to ______ his teaching when he was young.
A. devote to B. be devoted to
C. devoting to D. being devoted to
B
used to do 过去经常; be used to doing 习惯; be devoted to 忠诚于,投身到,献身于。