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帮我看下这些句子语法正确吗?that is our pen 那是我们的笔this is their dog 那是他们的狗these green teas are hers 这些绿茶是她的it's toothes are black 牙齿是黑的 牙齿复数是这样写的吗your name is samin 你 请高手帮我看下这些句子语法正确吗?my young brother is from the U.K 我弟弟来自英国my old sister's first language is japanese 我姐姐的母语是日语are you grandparents from span?你的爷爷奶奶是来自西班牙吗?thanks 两个语法题,请看下面的句子l was hooping that you would never be a backsilder again这里为什么要用would never 不用will neverl am afraid it's snowball's chance hell afraid 后面为什么没主语啦 只有你明白我是谁 英文怎么说 一道11年的北京高考英语阅读理解题,求解题目叫Students and Technology in the Classroom,可以去网上找原文,这里放不下了,只打选项了.63. Some of the students in the history class were unhappy with ______. A. the course 全国100所名校单元测试示范卷 化学卷（三）第三单元 化学物质及其变化～我没分了 辩论题：童话对发展儿童观念利大于弊 大家有什么建议么?介于最近马上就辩论……所以来搜集搜集意见……大家有什么好意见没?我想说从社会观和价值取向来评断童话对发展儿童观念的影 谁能帮忙分析下这句话的语法,句型结构,Often combined with lunch counters,the soda fountain declined in popularity as commercial ice cream,bottled soft drinks,and fast food restaurants became popular. 过点P（2,0）作圆C：X^2+Y^2-6X-4Y+12=0的切线,求切线方程. 过点P（2,0）做圆C：x^2+y^2-6x-4y+12=0的切线,求切线方程 有哪些how开头的短语疑问句中例：how long 多长 how often 几次 求以R、O、Y开头的英语短语就是一个三个单词的短语,首字母分别为R、O、Y,最好附上中文意思,请仔细看，是R、O、Y，不是R、O、O…… 人老了会又开始读童话有一句话大概是这个意思,但是原文不记得了.好像是出现在Chinadaily的每日一句 麻烦介绍一些适合成年人读的短篇童话故事 高浓度氢氧化钠碱液中持续加入盐酸溶液,生成氯化钠盐,当氯化钠盐过饱和后还会继续生成吗?如果还继续生成,那氯化钠就要析出了,如果不断在溶液中添加酸和碱,氯化钠晶体就会不断析出了? 下面这个句子当中的几个语法问题.Looking ahead,French's instinct for serving others is going to be guiding her right into the next phase of her life.After helping GWU students get connected with Teach For America opportunities,she has he often等于什么?一个词组 这个短语中的often 的语法位置是什么?to give sb/ sth a higher position or rank,often more important than they deserveoften 的语法成分 often可以与什么词组互换! what ,english,classes,do,often,you,do,in?连词组句 药剂学计算题氯化钠等渗当量法配置1000ml葡萄糖等渗溶液,需加无水葡萄糖多少克（1g无水葡萄糖的氯化钠等渗当量为0.18,根据0.9％氯化钠为等渗溶液）得：W=（0.9/0.18）X1000/100=50g加入50g无水葡 11%的氯化钠溶液怎样配制 动词适当形式填空1.I can familiar with that city as I ______(be) there three times.2.She _____(make) good progress in the last two month.3.By 1990 they ______(produce) one million TV sets. 英语用单词正确形式填空,1.The thief admitted ________ (steal) the money form the passenger.2.He _____ hardly ______ (have) time to say goodbye to his friends when the train ______ (leave) 3.Last week,he ________ (tell) me that he _____ (may 求2013年八年级下册英语周报期中测试卷答案! 正比例函数中自变量的次数必须是1吗 高中数学集合部分的知识点有哪些? 求八年级下册2013-2014英语周报39期的答案!急,我愿意拿出我所有悬赏急什么叫格式 全国100所名校单元测试示范卷 请问谁有全国100所名校单元测试示范卷高三历史卷（一)至（六）的答案,能给我发一份儿么? 这句英文语法正确吗?But you are also the man who’s following us all thetime,aren’t you?最后的aren’t you?如果不对怎么改?这几句的语法呢？1Thank you so much for looking after me for so many years.2Xiao Yu,since your mothe 本句英语语法正确么?We need more money than was budgeted.这句话语法正确么?than后面接句子的话,句子的主语可以省略?还是别的什么原因?