陕糜2号

how did people travel in the old days? question about math（1-3x)(1+3x)-(3x+2)^2,其中x=-1/3,please,thank you very much.2 若3^x=a,3^y=b,则3^2x-y等于——？（用含a,b的代数式表示） A small about math question .（明白意思的就知道我要问啥）AB两车,A比B每时快12千米,他们同时从（A）甲（B）乙两地相对开出,A到乙后立即回折,几小时后A在距离甲地33千米处与B相遇?（要求些过程 it 和 ski“i”的读音是否相同? true的副词 true改副词要去e吗是truely还是truly true的副词是什么,是不是truly? The Good Old Day 歌词 Jim would like ___(play) computer games. 【填空】Would you like to play computer ganmes with me.Well,I p____ to go fou a walk along the river. What's the question是什么意思 true的副词形式要不要去e?一定要是有把握的, 为什么true变副词时去e,而fortunate变副词时不去e? I have rather a bad cough that I can't get rid of(it)括号里面的it 要不要加? i( ) a bad cough and a high fever.个人觉得 have got 答案说got 原因 正常人能听懂 语法哪错了? I've got a bad coug.对“a bad cough"提问用哪个词? would you kike play games with me ?请问这句话的语法错在什么地方?是：would you like play games with me ? get a bad same time 前面用什么介词? All you ever want to do is go shopping　这里的all什么意思　是不是 all that…省略 了that?all 可不可以用something everything 代替? (2/2) want to do is going shopping.这两句对话怎么翻译? true的名词形式是什么 true的名词是什么 true的名词 ＿＿my spare time上的介词填什么?＿＿my spare time上的介词填什么?中文意思是在我的空闲时间里,后文为我打篮球,游泳……是填什么 用所给词的适当形式填空.The weather is ()[get] cooler and cooler. 世界上唯有贫穷可以不劳而获.Nothing is to be got without pains but poverty.求该句语法和词性 求大神帮忙造句,比如：My sister loves cooking My friend like求大神帮忙造句,比如：My sister loves cookingMy friend likes play foodball求八句 用my sister ang these my beother are she is造句 Only drink clean water!的意思如题,求翻译. No one could ____what was going to happen the next day.A tellB decideC showD understand YOU SAY TOO MUCH SUGAR BUT TOO MANY CHAIRS