一式两份是复印一份吗

the book sells well为什么是主动,什么时候用被动 One of,the great wall,of the world,is,the great wonders连成句子 her book sells well和are selling well in the shops now 有何不同 the book written by SanMao sells well.为什么用sells而不是被动语态? the new book_____by a famous writer sells well a.is written b.writes c.written d.wrote为什么 亦萱, 保护环境的诗歌与短文（做手抄报） 常用的自锁螺母种类有哪些?应用范围是什么? 投影机 吊装螺母孔 在下面,怎样吊装?原来 系统设置－〉吊架正投 就OK her home is near the school（一般疑问句并俩种回答） 套两个螺母能起到锁紧作用吗? my home is near.改为一般疑问句 双螺母锁紧时,薄螺母在下,还是厚螺母在下? 闸阀和截止阀的结构上的区别有哪些 谁会写保护环境,人人有责作文? 元帅的英语,最好是 中国元帅的英文 china 开始学英语要怎样学?要不要记住每个单词的英标,可是我不会读单词的音标要不要紧? 英语翻译 You must be —(kid).There is no person in the house. 英语高手请进：Fearless alone ,Because this world,there must be a person,struggling to go to you请问Fearless alone,从语法角度怎么理解?Fearless 和alone都是形容词?做什么成分? There are so many people in the shop.You must ( )your things.空里填单词有4个选项：如下A.look atB.look afterC.put away D.put on空里 There must be 和It must be有什么区别?急急! -That must have been a long trip to get there - Yeah ,it______ us a whole week to get there请解释下为什么填took不填has taken 作文：夸夸我的班主任 怎么写? 夸夸我的班主任征文! 夸夸我的班主任作文初三作文 我叫小萱求一个谐音英文名好听点袄 取英文名!小孩儿昵称叫萱妮,想个英文名, （ ）Don't forget to send me an e-mail when you -------the city of LondonA reach B get C arrive D enter应该选择哪个啊 Please send me an e-mail when you raech Shanghai改成Please send me an e-mail ------- -------- ------ you ------ ------ Shanghai I'll send you an e-mail as______as possible when i get there.A soon B much C many D early send an e-mail address的意思