when he was young,he used to_hard at his lessonAdevote to working B devote himself to work C be devoted to wok D be devoted to woking为什么B不对?
问题描述：
when he was young,he used to_hard at his lesson
Adevote to working B devote himself to work C be devoted to wok D be devoted to woking
为什么B不对?
答
因为它的用法是：devote sb to doing sth
答
是D啊!
前面说在他年轻的时候,
he used to devote himself to working hard
he used to be devoted to working hard
他过去常常很努力的工作
devote ... to 强调动作
be devoted to 强调状态