how did sth be changed / been changed?

相关推荐

• 一片英语科技短文的选择here have been many great inventions, things that changed the way we live in. The first great invention was one that is still very important today一the wheel. This made it easier to carry heavy things and to travel long distances. For hundreds of years after that there were few inventions that had as much effect as the wheel. Then in the early 1800's the world started to change. There was little unknown land left in the world. People did not
• how life changed求解释
• 请问这题英语题为什么选C?A为什么不能?Bill hasn’t changed his mind,_____?A.does he B.is he C.has he D.did he
• A .What it wrong with it B.how it has changed our lives
• 阅读短文,在空白处写出各单词的正确形式,单词的第一个字母已给出(初二)There have been many great inventions that changed the way we live.The f____ great invention was one that is still very i____ today----wheel.This made it e____ to carry heavy things and to travel long distance.For hundreds of years after that there were f____ inventions that as important as the wheel.Then in the early 1800's the world started to c_____.There was l_____ unknown land left in the world.People didn't hav
• I love you than did before.and if today i dont see your face.noting is changed no one take pleaseit　gets　hard　everyday.i　am　not　alone是神马意思,从 I LOVE 到 it gets
• Answer these questions英语题回答1,Have you ever been to onther another country?2,how long have you been studying English?3,when did you first read an English book?4,have you ever met a movie star?5,do you ever listen to English radio?6,which country have you been to 7,have you ever been to beijing?8.how many times have you been to beijing.9,when did you begin to study English.10.you think learning English is difficult,don't you?11,have you ever seen Englis
• how long 短暂性动词 用法、How long did she leave 请问下.how long 现在完成时,不能跟短暂性动词leave,连用,改成 been away .那一般过去时,如果不行,还是要改成 How long did she be away 短暂性动词 在 一般过去时中,能够用在很多疑问句中,那如果是 how long 连用的 一般过去时疑问句,是否可以 抱歉，更正一个句子打错了。：How long did she be away 改成 How long was she away 呵呵。2 下面几个句子 语法上都正确 OK 其实还是请判断，短暂性是否可以再 过去时和完成时，与 how long 连用。呵呵How long was she away A How long has she been away?BHow long was she gone CHow long has she been gone?DHow long did she leave for?E
• How have the applicant's professional responsibilities changed during the time you have known him
• 英语排词组句题1.he,teaching,by ,last ,in,for ,college ,October,years,had,the,thirty,been,year.2.how,it,did,to,much,cost,build,bridge,a.3.the,was,to,boy,made,write,again,it.
• 一只大钟分针长60厘米,时针长40厘米,大钟走了三个小时.分针尖端走的路程是什么厘米?
• 定义在R上的函数f(x)＝1/3ax3+bx2+cx+2同时满足以下条件：①f（x）在（0，1）上是减函数，在（1，+∞）上是增函数；②f′（x）是偶函数；③f（x）在x=0处的切线与直线y=x+2垂直．（Ⅰ）求函数y=