已知cosα十cosβ=1/2，sinα

They don't ask him to sit at the table这句话应怎么翻译 1 When I stayed in America,I found bread and butter( )what Americans usually had for breakfast intheir daily life A are B be C was D were 2\We usually have an evening party on Christmas Eve where each boy and girl ( )given a gift on Christmas Day.A i 为什么不可以说sit down by the table?为什么不是sit down by the table,而是sit down at the table? sit down around a table这样写对吗? 英语翻译immortlity呢？ eternal怎么读 我的妈妈从来都不闲着 英文翻译 用stop Bill frith's gardenfrith's的发音是/friθz/ 还是 【friθiz】 Who China and will the US go to war to win He gose to study in America when he is nineteen改为同意句 They talked a lot when they met at the first time这句有没有错 求cf中,扔手雷是说的英文拼写, an englishman went to a city in the south america to study there.he walked a____ city to look fora warm room.one evening he was walking a____the street with a map .he saw a small sign in the window of a house .the word "room"is on it"what is a nice r To study all the way to a 12th“grade”might sound strange to you．But not to an American student． Tom was the second _______this maths problem.A.worked out B.works out C.working out D.to work out问为什么 Two fathers and two sons go to take a picture.When they see the photo,ther are three men on the picture.Why?(You can answer in Chinese.)_____________.(用英语回答） this maths problem.为什么加s this是单数啊 There are three women in the office ---to see youA.to ask B.to be asked C.asking D.being asked选什么,为什么?> __ __ THIS MATHS PROBLEM IS ! I am sorry to hear that you resorted ______.I am sorry to hear that you resorted ______.A.to cheat B.to cheating C.cheating D.cheat选哪个呢,为什么?请说明下详细原因A B 项怎么区分呢 standard ensuite,deluxe ensuite,twin ensuite,double ensuite,premium ensuite 都是什么样子和区别 Our headmaster asks us to wear school uniforms every day.把ask替换成一个r开头的近义词 Double Ensuite什么意思 Basic Bedroom w/ Twin Bed怎么翻译,其中 w/ Twin When Hugo Pierre first came to American这篇首字母填空怎么做 英语翻译驱动桥的外文文献. 写一个help作动词时的句子和作名词的句子 用所给的词语组成句子(help)he,teaching,by,last,in,for,college,October,years,had,the,thirty,been,year, help和动词在一个句子里,个要做修改I helped my mom cleaned the room last night，哪里错了，说明理由，help和clean哪个加ed为什么 根据句意和首字母补全单词A s___room with double beds costs $160 he___ lots of time in_____books every day 他每天花大量时间看书you are never ___ ____ ____ start doing things 你永远不会因为年龄太小而不能开始做事情Tom begin to ___ soccer___ his school team when he was 11.汤姆在11岁 酒店里问你要什么样的房间怎么说 回答时用a room with double beds是提问，不是回答，是服务员问你