he used to work fourteen hours a day.为什么不是for 14 hours a day?

The young man used to () to work,but he is used to () to work now. he was used to hard work 的同义句 we used to work to He _____to work buy bus ,but now he goes to work on foot.A used to going B used to go C used going D was used to go 我想问 use to和used to 和 be used to的用法1.he(is used to)(used to)work sixteen hours a day.2.i(use to)(used to)see him often.3.he always(uses)(used to)scented soap.4.he(used to)(is used to)buy two bars of chocolate a day.5.i could not stand He used to go to work by bus.改为一般疑问句 Tony told his friends that he ___ hard work in the end..A.got used to doB.used to doC.got used to doing he used to( devote himself to work) hard.这种说法好像不对?只能he used to be devoted to working har he used to work deep at night,____ ______?A.didn't he B.usedn't he 另外,used to 是情态动词吗? He is used to hard work.是错误的语法吗? now he works in the factory___his father used to work为什么是 where而不是in which he used to work fourteen hours a day.为什么不是for 14 hours a day? 高三英语单选题,求详解He ________ in a small shop,but now he is president of a big business company.A.used to working B.was used to workC.used to work D.was used to working his father loves his work and he he -----the hard work选什么?his father loves his work and he he -----the hard work中间应该填什么?为什么 A：is used to do B:is used to doing C：used todoing D：used to do. His father ---- to work by car,but now he --- to work by bike.A.used to go; uses to going b.was used to go; is used to going C.uses to go; used to go;D.used to go; is used to going He was used to go to work on foot,but now he takes a taxi to work.这个病句错在哪里? It is a long time since he moved here ,he must have___here.A.got used to working B.used to work选什么,为什么 It was a more difficult life than he was used to,so he had to work hard to support the family.A.was used to B.used to这里为什么可以省略to后面的动词?选什么?为什么?