摘要： He used to his teaching when he was young. A. devote to B. be devoted to C. devoting to D. being devoted to 答: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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He used to ____his teaching when he was young.
A.devote to B.be devoted to C.devoting to D.being devoted to
查看习题详情和答案>>He used to _______ his teaching when he was young.
A. devote to B. be devoted to C. devoting to D. being devoted to
He used to ______ his teaching when he was young.
A. devote to B. be devoted to
C. devoting to D. being devoted to
查看习题详情和答案>>