一项工程甲单独做20天完成，乙单独完成需要10天，现在甲乙合作完成这项工程的多少

clmb,every,I,mountains,weekend用英语排序 must have done和have done有什么区别 英语的一道问题,It’s the strongest in Europe and South America ,but it is more popular in Africa 22 and now women also play football.22为什么填的是 as well 而不是also啊,sa well是用在句末的,为什么22在句中却要填 sa well there s a place for us 歌词Carrie Underwood唱的 就是黎明踏浪号片尾 = = There's A Place For 请问英语的so long 一般用在什么场合?跟good bye用的场合有没有不同?谢谢 英语翻译Good-byeGood-bye,Mary.Good-bye,Kay.Good-bye,Terry.Good-bye,.Jack.Take care,Hello.Take care,Friend.Come and visit your friends again. 用have a chance of doing sth造句 have a chance of ） 英语翻译要一行对一行的哦…… 求Troye Sivan的for them mp3, 英语翻译帮我翻译这句话…要详细点哟 WE ARE GOING TO HAVE _ THE MOUNTAINS THIS SUNDAY MORNING(climb)climb 怎么变 come and come and meet____(she)233 英语翻译说明原因2.你应该把你的注意力集中于学习上you should ____ ____ ____ ____ your study.3.老师叫汤姆多注意他的书写the teacher asked Tom to____ ____ ____ ____ his handwriting说明语法点、原因 关于come in的倒装句1.______(Came in the girls;In came the girls)singing and talking.2.Suddenly the door opened and came in Mr Smith,the headmaster.came为什么是in came而不是came in? (1/2)一英文女生独唱的轻快歌曲,歌词中多次提及“crazy,oh coming baby ,so bad ”且高潮部分有似小...(1/2)一英文女生独唱的轻快歌曲,歌词中多次提及“crazy,oh coming baby ,so bad ”且高潮部分有似小提 有首歌是女生唱的,高潮部分是oh 爱 oh 爱 oh 爱 oh 爱 oh try...以前在东南卫视的非常音乐上面出现过,是在第一首放的,那个女的好像演过一部电视剧是演的杨丞琳的姐姐,很漂亮,希望听过的友友 he was so interested in it that he forgot to get off的THAT 急：求3分钟英文演讲稿一篇（Being Different） good at 英语演讲稿就是写自己擅长于什么的 The best job is ------- which uses your skill in doing something together with your interest in the yoyo的复数 跪求大神帮写一篇“成长的阶梯”作文四百字! 关于楼的特点作文 500字 谁能帮我写一篇关于的英文演讲稿啊 作文：新鲜事,500字左右. 跪求2篇500字的写事作文大神们帮帮忙 英语演讲稿,五分钟的,家自我介绍 高一数学不好,怎么提高啊? boken的过去式,三单,现在分词