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将I sent my mother three letters last month.改成被动语态快 I sent emails to him last month,but he hasn't _____ to me yet.answered,replied 哪一个?answer和 reply 的区别吗 There's Been a Death in the Opposite House的汉语翻译和解释 限制性定语从句和非限制性定于从句的怎么区别出来? 作文我的新校园怎么写? 函数与几何的问题!帮忙! 过程!1.如图,在平面直角坐标系中,以点P（1,1）为圆心,2为半径画圆,交x轴与点A,B两点,抛物线y=ax的平方+bx+c（a 初中几何题一道（12题）,要理由及过程 几何高手来!~一道初三几何题!~最好有分析思路和过程!~如图,在Rt△ABC中,∠C=90°,BC=a,AC=b,AB=c,CD和BE是△ABC的两条中线,且CD⊥BE,则a：b：c=是1：√2：√3吗? i'm really sorry i'm late .i hope i didn't cause you ()a.too much trouble b.so many troubles c.much too trouble d.so more troubles I'm really sorry .I'm late .用Don't say so 回答对吗 My friends and I got to ________ (have) a trip to ShanghaiMy friends and I got to ________ (have) a trip to Shanghai we'll have a trip 的回答（祝语）have a good time、have a nice time 或 have fun这三个都可以吗 写一篇初一的作文：美丽的新校园,我爱你.注意：不要感想,要一件具体的事例. 请问这个是多少?limx→0(（x^2-1）/（x^2+1）)^（x^2-x）不好意思，x→∞ 求x是多少?还有还有求过程…… i have missed u already Don't miss have missed 要一篇关于绿色生活的议论文,正常一点的,不需要长篇大论.不要随便复制!限制600字 求关于我心目中的他(她）的作文 600以上 作文 我心目中的游戏不是网络游戏,是平时玩的. 我心目中的海洋 作文 treasure what you have or you will reget 我心目中的医生（作文) 请告诉我tour,travel,trip,journey,voyage.这几个单词的词性及固定搭配. 每天规律的作息吃饭,但是怎 么长胖了?烦死了~ we will go on a trip.翻译 鹬蚌相争文言文的思想意义 -When are you going to the park?- We are going there ( ) next Saturday. Next week we are going to the ()Palace()内的单词开头字母是S 谁教教我怎么写作文和日记!我的水平低的要死 500字的作文 我只能写200多字! 1.I ___ (visit) my aunt last week.翻译并语法说明 2.How ___ (be) your last night? Can you tell me the way to the station?写同义句Can you show me how____to the station?