are they used to working by themselves里working可以换成work吗?为什么?

英语翻译是what are they used to do 和what are they used for doing? 如何翻译?People are richer than they used to be.used to be指什么啊 该选哪一个?-Do the Blacks lives next door to you?-No,but they ______?A.used to B.used to doC.are used to D.used todbe 解道英语题!谢谢!说明原因!. The children everything by themselves when they are alone at home. A. used to doing B. are used to do C. are used to doing D. used to do they do as they used to do The foreigners __there,but they __the food there at first.A used to live ,didn't be used to B are used to living,didn't used to C used to live,weren't used to D used to living,usedn't to 选C 为什么选C be used to do 怎么用?后一个 空 不理 mobile phones are not so expensive as they ------------- to be为什么这里填used They are also used to move animals like sheep o____ goats. our food and service are better than they used to be/ Telephone is used for ____ (talk)to friends because they are far away from us. they are only limited in terms of the materials used to make them.分析结构 are they used to working by themselves里working可以换成work吗?为什么? life it seems will fade away...things are not what they used to be things are no longer as/like/that/what they used to be选择的原因 Westerners are not as formal as they used to be翻译下 both the chinese family and the american family are smaller than they used to beare smaller than they used to be 前边能看懂后面 They used to go out to eat.( There _____ a lot of tigers there,but now they are endangered.A.were used B.used to C.used to be D.used to have说明原因喔,也要整句翻译吧