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having done和doing在句首的区别?＿＿so many difficulties,the people in Wenchuan are still trying their best ti rebuilt their hometown optimistically.A.Faced B.Having faced C.To face D.Facing可以的话 分析一下每一个选项 There is no need for you to know him.想要中文意思? 英语翻译With this type of heat exchanger,the counter current flow can be properly applied.If it is long enough,virtually all heat can be transferred from one to the other medium,i.e.,the outlet temperature of one medium is almost equal to the inf Kitty changes her l（ ）style because she wants to be h（ ） 每年CET四级都是550分以上可参加口试吗分数会不会提高 四级网考通过550分,报考四六级口试无法登陆,说我不具备报名资格,这个应该怎么办 在本年度的阅读周期间,我读的书最多.用英语怎么说?During this year's Reading Week,I_____________. She dressed smartly (because she wanted to make a good impression)就括号部分提问.答案为什么是Why did而不是why was? 非谓语动词中done 和being done有何区别 非谓语动词中being done和done有什么区别? 孔子是个怎样的人? use to do be used to do be uesd doing 的差别 非谓语动词 being done 和 to be done 有什么区别?可以从所用的场合·表达的意义上…………来说. 孔子是什么人 孔子是哪里人? Sun.是什么意思 求七年级下册各科期中复习提纲（人教版） 哪有大量的初二英语上学期完形填空和阅读 it'd be better 缩写还原后是什么?'d 的原型是啥?抢劫中：Sir,you have half a million dollars cash in your bagDon't you think it'd be better if... 如果三部都有的话,我都想要啊,越全越好. 读英文文章并回答英文问题文章：The City Mouse and the Country Mouse Once there were two mice.They were friends.One mouse lived in the country; the other mouse lived in the city.After many years the Country mouse saw the City mouse; he s 数控车基准刀是什么意思? mastercamX3 MU1数控车切槽刀RF151.22-2525-40是什么意思请具体点把每个字母和数字对应的含义说清楚刀具书说的和软件说的有很多地方我看不明白向RF151.22-2525-40 刀具书我没看见有解释 求字体,不知道这个是什么英文字体. 这种英文字体是什么字体? 这个英文字体是什么字体呀? 数控车如何对刀 数控车对刀我们公司的技术员跑路了数控编程都摊到我头上了我在公司是做设计的 对这个部懂看着说明书 我把程序变出来了可是在床子上 试车的时候不对师傅说是对刀出问题了我让他对 该 广州数控车980TD怎样多把刀对刀?举例说明最好了!还有就是那个圆弧切槽刀是怎样的? 英语翻译病毒在非洲国家扩散,引起全世界的关注.Thanks 请帮我取一个诗意的,好听的女英文名 The united states is home to many halls of fame museums that honor famous people