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好心态的重要性和如何调整心态英语作文 急 200字 be supposed to have done +时间怎么用you were suppose to have finished the work for 2 weeksyou were suppose to have finished the work 2 weeks ago那个对you 后面的be 要用 are 还是 were be supposed to be done 和be supposed to have been done的区别原句The metal bar was supposed _____to the right size应填be supposed to be cut down他说:当be supposed to...的主语是“物”时,它表示“本应；本该”,用于表示“ is supposed to have done 跟 was supposed to do 的有区别吗,举个例子,The train is supposed to have arrived an hour ago跟The train was supposed to arriave an hour ago.这两个句子都是一个意思吗, you were supposed to do,那么you were supposed to have done可以吗 be supposed to do sth 与 be supposed to have done sth的区别请讲清楚,并附上例句. 有look up 这样的词祖玛还有,我想知道cross,across及round,around的区别. 在你查词典之前,试着用那个词周围的词汇和句子来猜测该词的意思（英文）（look up） “中国民营企业员工激励研究”翻译成英文 【改错】Please（show）your（pictures）（for）（me）. better down to earth神马意思? Subject to the stars,a down-to-earth中文什么意思? can you show ___?1.your photos to me 2.we your photos 3.your fhotos him 4.your photoes to me 水藕与旱藕怎么区别?到菜市场或者超市去买菜,怎么识别?水藕好吃. 请以“让你生气的一件事,你是怎么解决的,学到什么”写一遍英语作文 我生气； 我真的生气了,难道写一篇介绍吴俊余的英语作文那么难吗? 以time together为题的英语作文,120词左右 Your body naturally lays down. up and down翻译汉语? The runner from Class One fell down ,but he quickly got up and went on running. What he said < > me and I left his office angrily without a word选什么?A got to B reached C interested D pleased 欧姆龙CP1H CP1H-X40DR-A 加密了的PLC 可以用什么软件解密CP1H密码? 华南师范大学附属中学南海实验高级中学 翻译成英文 求关于华南师范大学的一片英文简介次数大约150字左右 华南师范大学的英语怎么拼 春风得意发财时,田叶荷花莲藕香,满片都是红绿色,两岸青山猴子多.什么动物春风得意发财时,田叶荷花莲藕香,满片都是红绿色,两岸青山猴子多.大家说今期牛羊,马到成功必定发,今期看好莫放 以"Summer Holidays“为题写一篇英语作文.50词要求：1.你平时暑假进行的活动.2.在即将到来的暑假里你打算要进行的活动. 以"Summer Holidays“为题写一篇英语作文.50词左右.要求：1.你平时暑假进行的活动.2.在即将到来的暑假里你打算要进行的活动. 刚刚种下不就的种藕,请问这张出来的是什么?要弄回土里去吗? 波为什么会出现衍射现象? 衍射现象到底是如何形成的呢? 电子衍射样品为什么要制成薄膜状?