When he was young,he used to_hard at his lessons. A.devote t

When he was young,he used to_hard at his lessons. A.devote t He used 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 ride to school when he was young but he is used t When he was young,he used to spend his ______ time collectin He used to be devoted to his teaching when he was young; He used to get up at six when he was young.改成一般疑问句 When he was young,he ______ the old man.A.used to call on B. he ____ smoke when he was very young.A.used to B.likes to C. when he was at college,he used to travel a lot.这句活used to已经表 He studied hard at school when he was young.___leads to his When he was young,he worked on a farm,but now he doesn't.改为同