粘油层

It seems that the old man _____ something important.A has lost B had lost C lost D would lose应该选什么,并将每个选项解释一下. 烟的软盒装和硬盒装有什么区别?我想知道到底有什么区别?吸起来有什么不同？ 什么是碱性茶 are you crazy ? what he did has added to our difficulties为什么用现在完成时 求英语翻译； You'd better let her alone． what you had done added to our difficulties.帮忙分析这个句子为什么add后要加ed 班训（16个字）4字一句,我是高一2班的 语法：But the willingness to cooperate with each other at least will put them on the right trackto finding solutions .这句话有错误吗?为何不是 track to find solutions The boy works hard _____ order to go to college nothing __ our understanding of the math problem 应填added/added to/added up to/added up? his report has greatly------our knowledge of the subject.A.added B.added to C.added upD.added up to 求班训,16个字 these are sone arms.改单数句 These are some notebooks in my backpack改为单数 及物动词短语（如lead to等）都没有被动语态吗?语法书上说lead to没有被动语态，所以我想问一下，是所有的及物动词短语都没有被动语态，还是个别的几个没有 福建和杭州产茶地区的土壤分析（金属含量）RT, 及物动词,不用加 to Any when you are ,i'm near ,any when you go ,i will be there歌词 求这是那首歌的歌词? 及物动词可以跟to,in,for,on,from吗?（英语好迷茫～） when are you leaving china能改成when are you going to leaving china有人说be+VING 和 be going to 一般情况下可以替换 及物动词加to的句型结构解析I was dismayed to learn that she had failed again.在词霸中看到的例句.此处的dismay 是作为及物动词处理的.请问为什么呢?那后面的to是怎么回事?to在此处是什么词性?起什么 We want to encourage students to p----- in the running of our school in the council Mrs Brown shouted at Sam_____(throw) the litter into the waste bin该空填throw的什么形式 Reading Comprehension Normally a student must attend a certain number of courses in order to gradua -when are you leaving?-I'm leaving（）next weekendfor on \三个选项选哪个啊,大虾们帮帮忙把,查了好多闹的晕了 I won't believe there are aliens until I see them with my own eyes 改成反义疑问句 英语翻译comprehensibility in academic presentations.2) The purpose of this course is to enable you to speak more effectively in an academic setting such as a university classroom.Class activities are designed around the planning and delivery of b 英语 动词短语 动词+副词 中 为什么将副词置于后面是语言习惯 还是固定搭配 或是什么语法结构? The best is yet to come.请问为什么加to呢?yet是副词吗?他是修饰be动词?还是修饰come的呢?谢谢. 煤矿井下加固用 双液速凝剂配方 铝酸钠 如何使用水泥速凝剂上面?