铁是混合物吗

在准备GRE的 AW时候,看到的~原句是 Even the most brilliant thinkers,from Socrates to Satre,live lives in time. we live in Nanjing()a long time.A.at B.for C.in D.on he wonders what he will get from his parents as a birthday present(该同义句)he wonders_______ _______get from his parents as a birthday present the line is to be opened to traffic on May Day.经常看到的~不明白为什么句子当中常常会出现"to be"这个词组,因为我觉得它好像在句子里没什么意思,只用is也就够了.哪个英语达人能解释下吗?:) birthday gift from my father意思 The Internet has opened up a marketplace where sellers and buyers are virtually ___ (know) to .The Internet has opened up a marketplace where sellers and buyers are virtually ___ (know) to each other.括号中的词变为适当的形式填入空白 this is a car.itis red.合为一句话快 We all felt （ ） because we walked in the rain for a long time the day before,so we only staWe all felt （ ） because we walked in the rain for a long time the day before,so we only stayed at home.括号处填写一个单词 anywhere you go I'll be there 我的世界里不能没有你 英文怎么说啊 That was the only time ( ) we met in Beijing. A that ,B when 答案是B,可是为什么呢?急急急！！！！可是有only 修饰先行词，不应该用that 吗？ 读例句,选取身边的人、事或物来仿写句子.读例子,选取身边的人、事或物来仿写句子.从科研所到实验基地,从寒冷的北国到炎热的南方,从风沙走石的大漠到波涛汹涌的海洋,到处都洒下了他们 you are you sunshine,my only sunshine,you make happy.so i'll forwever love you You can go anywhere you wish cuz I’ll be there.的意思是什么? 、because there will be no sunlight,if i lose you baby.是什么英文歌.王杰的就不要来了 What shall I () my grandma () her birthdayA get ;of B buy;forC find;for D give;to what is love?my grandma puts a big red apple into my hand. 把下列句子仿照例句变成否定句和疑问句例：I am a girl.I an not a girl.Are you a girl?题：1.He is a in Grade Five.2.She is happy.3.I usually do my homework after supper.4.He cleans his bedroom every day.5.Bob played computer games 英语照例句和图片仿写句子,句子只要例句那么长 There wasn't a Pond here aaa Look,there's a pond.There wasn't a pond here before! You are all the time so addictive这句话是什么意思 Time slips by when you are enjoying yourself.当你玩得痛快时,时间就悄悄地过去了.Time slips为什么要放在句首?by是做什么的啊?you are enjoying yourself.是你是喜爱你自己的意思啊 you are smart about your health most of the time的意思? Are you going to enjoy the Christmas Eve together的意思 CAR THIS IS YOUR MAY USE I IT YES 连词成句怎么连 cuz you are soul serious most of the time. Is this car (your/yours) 填哪个? He has got three ______ A.pair of trainers B pairs of trainer C pairs of trainers D pairs trainers应该选什么? I’ve got two pairs of Chinese chopsticks.对划线部分提问.划线部分为：two pairs of day,what,your,birthday,year,this,is?连词成句 season in what your is birthday连词成句还有一个：the honey are the ants eating what is your______ birthday?He is 12 years old.He is ___ ___ boy.I often help my mother with housework .I often __ my mother ____ ____.改为同义句