氢键的比较方法

哄字的第二个读音能组什么词? The man with glasses knows everything well here because he is a l______. We followed tyhe men here.（保持句子意思） We______ ________ the men here. 连词成句 are two there the desk pictures above 伊索寓言的作者是谁求大神帮助 谁知道长一点的伊索寓言啊,要长一点的! 伊索寓言的作者是谁大神们帮帮忙快 cannot help to do sth.有人说加动词不定式表示的是“不能帮助做某事”可是刚刚看例子说后面的to 可以省略? 伊索寓言的作者是谁? She was so terribly ill that she had to ask for ________________.A.a three day leave B.three-days sick leavesC.a sick leave of three days D.three-day sick leaves He had to ask for tow day's leave because of__(be)terribly ill yesterday Take three letters from it,and you get a pen.What is it? take three letters from it,and you get a pen.what is it怎么翻译 How did you go to school every day?怎么回答（用英文答） day every how do you go to school中文意思是什么?一定要准哦! In ancient__ man usually lived in caves.A.time B.times Thousands of years ago,men lived in caves.这是首字母填空ago.为什么用ago? “A打了B一巴掌”英语怎么说?急 huang yun feng英文名交流Huang Yun feng的英文名怎么取才OK! 找个高手交流点经验!谢谢!辛苦费10分. 我叫huang peng,男生 想起个英文名之前叫Paul,但是感觉到处都叫Paul...想换个不那么普遍的-.-'''要保留名字发音的~ 求牛津书虫所有系列书本名字 求牛津书虫系列读后感,书名《地心历险记》 牛津书虫英语系列《吸血鬼猎手》读后感《吸血鬼猎手》 要求不高 不要很难 字数多一点就是了 大概三四百字就可以了 英语读后感 ..大家不要发中文的 牛津书虫系列的书是不是都太简单了对于一个英语四级的人来说,是不是简单了点,或者有什么其它的书适合提高阅读和口语的吗?如果有,请写明出版社和译者 牛津书虫系列背单词好还是新概念好?我不用英语好多年单词、语法、语言都没有了想找恢复提高一下,不知道用牛津书虫还是新概念更适合.能稍微详细的说明一下么, Is this his sharpener?改成肯定句 还有That is her ruler改成否定句! That is a ruler 变为否定句 关于牛津书虫牛津书虫都是原著吗 谁知道关于牛津书虫的任何一本的英文简介 哪里可以下载牛津书虫入门级MP3 牛津书虫6级大概是什么水平的英语 高中英语：can''t help doing sth 与cannot help doing sth请问这两者有没有什么区别?谢谢~