when he was young,he used to_hard at his lesson

When he was young,he used to_hard at his lessons. A.devote t He used to () his teaching when he was young; When he was young,he used to spend his ______ time collectin He used to be devoted to his teaching when he was young; 句子He used to take stairs two at a time when he was young. He used to get up at six when he was young.改成一般疑问句 He studied hard at school when he was young.___leads to his He used to ride to school when he was young but he is used t He taught ______ English at home when he was young. 英语语法题~-Brown used to live with his cousin when he was at col John lived with his mother when he was young his mother ______ him interesting stories when he was young.