吴敬琏当代中国经济改革教程

请问Could you please do sth 变否定句怎么变? The park is the best place _at weekend 用to have （great）fun 还是 have （great）fun 求分析! this pen is (my borther's). "()"里进行提问 指出错误并改正：（ ）This is my a pen.______括号中填错误的,横线上填改正的. this is a my pen my pen is black(对black提问)______ _______is_______pen. Dinosaurs have completely died out on the earth,never____again.A.to be seen B.being seen为什么选A不选B?结果状语中 不定式不是表出乎预料的结果吗?怎么用的是不定式呢? Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下 on earth等于什么 请问：on earth作“究竟”讲时,是不是等于“the hell"? once three men bought seventeen oranges.the first man wanted one half; the second one,one third;once three men bought seventeen oranges.the first man wanted one half; the second one,one third; and the third,one ninth.it was not possible to divide tho The first three 和three first 有何区别 初音的一首歌 开头是 one two three three two one的18分20秒的时候开始唱的.求歌名! i want it that way的英文歌词完整版加中文歌词 My pen pal comes from China对吗 英语选择题：This is my new pen pal.She____from New York.She____good English.A lives；speaks B is；says C comes；speaks D is；talks i want it that way的歌词 His new pen pal come from China有什么错Can you speak Japanese?Yes,I do.CAN和SPEAK和JAPANESE和YES哪个错了,怎么改正 谁知道I want it that way的中文歌词如上,谁知道, is your pen pal from china?否定回答 .Dinosaurs (existed) on Earth a long time ago对括号部分进行改写,使基本句意不变. a long time ago,two friends lived in a palace and worked for the king.one of these boys _1_ a girl very much and he wanted to give her a present.one afternoon,he and his friend _2_a big vase with some beautiful flowers in it.he _3_up and took one for usually,do,what,on,you,do,weekend.the(.) 连词成句 你在周末通常干什么?What usually do you do on the weekend?这样写会减分吗?要写What do you do on the weekend?那我那样说错吗 What do you do usually on the weekend 这句话对吗? much of the carbon in the earth comes from things that once lived地球上大部分碳来自于曾经有生命的东西.1：comes可以去掉吗?这里固定搭配?2：things that once lived可以改成ever living things吗?为什么? Many of us know the earth goes around the sun once a y ____应该填什么快最好在15：30之前给答案 请帮我翻译这句话,"Much of the carbon in the earth comes form things that once lived." 翻译：Much of the carbon in the earth comes form things that once lived. much of the carbon in the earth comes from things that once lived地球上大部分碳来自于曾经有生命的东西.为什么come 要加Stoday ,most diamonds used in industry come from Russia现在，工业用的钻石大多来自于俄罗斯。 能否翻译下?I only know a little English. I usually go to school by bike.(改为一般疑问句)