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同义句If you don't think hard,you won't pass the exam.———— ———— ,———— you will failIf you don't think hard,you won't pass the exam.———— ———— ,———— you will fail your exam. Have you ______ your father recently?No.He doesn't often write to me.A.heard about B.heard of C.heard from D.got from为什么用C不用A, Have you heard ( ) your cousin recently?Have you heard ( ) your cousin recently? 挖一条长1500米的引水渠,水渠横断面是一个梯形,面积是2.7平方米.已知水渠上口宽2.4米,渠底宽1.2米求：水渠深 某镇计划修一条横断面为等腰梯形的水渠,梯形的面积为10.5平方米,渠口比渠底宽3米,比渠深多2米,渠口应渠口 是梯形的什么地方?渠口应挖多宽？ 某地计划修一条长为750米,断面为等腰梯形的水渠,断面积为1.6平方米.某施工队承包这项工程,计划在一定时间内完成,按计划工作了5天后,增加了煤油,提高了工效,每天比原计划多挖土15立方米, 挖一条长1500米的引水渠,水渠的横截面是一个梯形,面积是4.5平方米.以知水渠上口宽3.2米,渠底宽1.3米,求水渠的深度.快~~~ 确实,没有你的帮助我不能通过这次考试 ____ ____ ____ ____I couldn't pass the exam without your help. have you done with your poo?还是 have you finished with your poo? have you kiss your mather with your mouth? Do you have any p( )with your math? 你曾经和朋友用英语交谈了吗?Have you ever ＿＿ ＿＿with your你曾经和朋友用英语交谈了吗?Have you ever ＿＿ ＿＿with your friends in English?那两个空填什么英语单词 ——you——(write)to your father now Not forget to write to your father.这句话有什么错误并改正 Have you heard from your parents r____? when have you heard from your改错改错when have you heard from your brotherhave they alrady begun the new service 汤姆会下国际象棋吗?（翻译成英语） 求一自编作文书的 序大概600字左右嘛其实也不用那么多,一两百字好了 论文中 前言可以引用某书的名人名言吗 试以 白莽作孩儿塔序 为例,谈谈书序写作的要点谁来鸟鸟我T T Have your father told you this thing?I told him yesterday.改错,急 "I won't have you __to your father like that."said the motherA.speak B.spoken C.speaking D.to speak为什么不用原型而用ing形式?是固定句式是吗? 请问专四听力新闻一般是考几月份到几月份的呢?不要说是去年今年什么的,我要更具体的时间, My father will come back in a week.My father will come back（ in a week）.对所括号的内容提问 My father isn't in.He____to Beijing on business last week.A has been B went C has gone D goes 标准答案是B，我选的是C为什么选B把过程写详细 My father _____ to go to Shanghai on business last week..My father _____ to go to Shanghai on business last week.was told told asked will be told 挖一条1500米长的引水渠,水渠横断面是一个梯形,上底宽1.8米,下底宽10分米,深6分米.如果每天挖土84方,要挖几天? 挖一条长1500米的引水渠,水渠横截面是一个梯形,面积是22.5平方米.已知水渠上口宽3.2米,渠底宽1.3米求水渠深. -Can you help me solve the problem? could you possibly help me solve the problem我在李阳疯狂英语上看到这句话,help sb to do sth或者help sb doing sth.这里是不是少了一个to呢? Can you help me to ____ (answer ; solve) the problem 请说明原因, could you ____(possible)help me to solve the problem