trna的典型结构和功能

一句泰文,认识的解释一下吧. Robert is said to have studied abroad,but i don't know what country he studied inRobert is said ___ abroad,but i don't know what country he studied in.A.to have studied B.to studyC.to have been studying请问这道题目怎么排除BC,C不是强调 Robert is said ______ abroad ,but I don’t know what country he studying in .A .to have studied B .to study C .to be studying D .to have been studying选择哪个啊?been 怎么使用? 英语20.Robert is said _______ abroad,but I don’t know what country he studied in.20.Robert is said _______ abroad,but I don’t know what country he studied in.a.to have studied b.to study c.to be studying d.to have been studying为什么 33.Robert is said ______ abroad ,but I don’t know what country he studied in .A .to have studied B .to study C .to be studying D .to have been studying 1.Robert is said _abroad,but I don't know what country he studied in.a.to have studiedd.to have been studied答案选a,d错在哪2.The book is said_into many foreign languages.a.to have been translatedd.having been translated答案选a,d错在哪 带有"鸟"字的四字词语带有"鸟"字的四字词语,急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急!急! i wouid like to with you Wouid you like to go outside with me?是啥意思?如题 wouid you like to have a talk with me _____(今晚)?填单词, 含有目空的四字词语因为我不会,请大家帮帮忙! 英语六级成绩怎么还不可以查不是说9点公布吗 不记得准考证号能不能查询六级成绩?几时能查? 英语语法 帮我分析以下句子.I am happy to join with you today in what will go down in history as the greatest demonstration for freedom in the history of our nation. .分析下这句英语语法“I’ll be here for as long as you need me为什么后面会跟for 如果没有正确麽?2.Each person has her own unique path of grief to follow后面 to follow是做什么成分? 英语翻译把卞捷我爱你 翻译成泰文或者看起来好看的文字 不要英文 其实我还是很爱你泰文怎么说 优等品、一等品、二等品、三等品属于合格品吗? 生活用纸的优等品,一等品,合格品有什么区别 问"合格品"和"一等品"的区别? 36.5%-37.4%甲醛溶液属于优等品还是一等品还是合格品 I would just like to be with Would you like to buy something with us?(同义句） Would you like to _______ ________ with us?Would you like to go shopping with us?Would you like to _______ ______ with us? would you like to buy something with us?would you like to ____ ____ with us? 澳大利亚最大的城市是（ ） 数学文化有那些 按实际市场销售排名 英文怎么说.按.排名的搭配 数学文化的内涵是什么?我要一个确切的答案, 有没有什么动物或者植物只有黑色蓝色跟白色的啊 When l walked past,l heard them _______ about Miss Gao.A.talkB.talkedC.talkingD.to talk He was even _____(angry) after he heard about it.单词填写 简短的英语格言警句30句