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 接动词原形表示”过去常常”;”致力于”应该是devote one-selt to 或be devoted to…,所以答案为B。
used to 接动词原形表示”过去常常”;”致力于”应该是devote one-selt to 或be devoted to…,所以答案为B。
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