乙烯聚合反应的条件

是believe myself还是believe in myself? the boy set off early to attend the meeting on time同义句 He got up early,but he failed to get to school wear on time yesterday同义句转换He got up early,but he___ ___ to school on time yesterday. Why do you think many English-learner have difficulty in learning oral English well? do you have any difficulty ____ understanding spoken english A.for B.in C.at D.on求普及下语法知识 特殊疑问词、介词英语 代词的形容词性物主代词、名词性物主代词、宾格 1.I am looking for a book,but I can’t find it on the s________.2.__What’s in you p_________,Ann?__Some money .About 30 yuan.3.There are lots of p________of interest in China.4.How long can l k__________the storybook?5.Wait a m_________,please.6.L 请以“the present state of english leavning in china”写一篇120字的英语作文, The girl spent as much time as she ________ her Lessons.A.could go over B.could to go over C.could going over D.went over If I am a foreign reporter,I will cover China in the following ways … 的英文 We've been studying English since five years ago(提问）（）（）have（）been studying English? 一首男生哼唱的歌曲``很优雅的旋律很浪漫,大概在唱DUN DUN DUN DUN DUN DUN DUN ```就是很优雅的歌曲,感觉像是广告歌,男生唱的,一直在哼DUN DUN DUN DUN DUN DUN DUN`````和DUN 发音很像,他真正唱的那个字 短文改错:1.it is over about 3 years now since i began studying english2.As first i found it very difficult.i couldn't get most of sounds right,3.spell the words correctly and remember the rules of the grammer.4With the heip of my English teacher 烧几dun饭的dun是什么dun Dun Dun Dun 歌词 love you,babe!dun B jealous... 求带有dun字的歌词,只要发dun音就行,最好是熟悉一点的歌, 有没有类似better in time和she的 好听的英文歌曲 They have study English for four years.有什么错 they have learnt English since three years ago.改为同义句____ three years ____ they started learning English. It's ten years since they met last time用英语解释 介词后可以加状语从句吗?Learning and following etiquette is so important that people are always judged by how closely they follow these rules of behavior.其中by是介词,后面是接的方式状语吗?可以把 by how closely they follow 介词状语从句1how long__we have the mid-term examinations?A is it since B has it been since C will it be before D is it when2 _so much electrical equipment ,wddo and paper in one place,there is a danger of fireA FOR B in C with D bu3Did you enjo this time i want to do _____.A.anything different B.anything difference C.something different D.different something 这次我想做一些不同的事情 this time i want to do _____ ______ He spent a little time on sports.这个句子中a little time要怎么理解?句中的a 是修饰time还是与little构成短语表示许多的意思呢?我就是想知道句子的意思到底是很少做运动还是经常做运动呢？ little of time is spent on book可不可以翻译成几乎没有时间看书？ She wants to be there early to read English 是不是用early 刚才搞错啦 She gets up early .she wants to read English.保持意思不变)She gets up early_____ _____English get to there early还是get there eraly she wants me _____ (come)to shool early为什么 I have started the English classes since three weeks ago. 这句话为什么是错的?错在哪?