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their friend is (reading a magazine)on the chair.(对括号里提问理由） 19._________comfortably in a chair,he was completely lost in a magazine20._______ comfortably in a chair,he was completely lost in a magazine.A.To sit B.Sat C.Sitting D.Having sat 以A nice weeked写英语作文 difference in difference estimator是什么意思 the difference in 与 the difference of 的区别?查剑桥英英字典的 difference 的词条,有例句：1.We'd like better seats,but if the difference in price is too much,we'll keep what we have.2.There was a difference of opinion about the best a difference-in-differences analysis什么意思怎么翻译啊,经济学中的术语 前面说的是挪威和丹麦关于格陵兰岛和另一岛屿达成了一个协议,但是Later,in the suit between the two countries over which had sovereignty over Greenland.这句应该是说后来两国对格陵兰岛都主张享有主权,in the 翻译： It covers five and a half million square kilometers of the Amazon Basin and翻译：It covers five and a half million square kilometers of the Amazon Basin and spreads across nine countries . Do you want this kind of robot?怎么回答? There's something wrong with my mobile phone.I'm going to get ( )a new one.A.I B.my C.myself D.mine 一定要说原因哦~ There's something wrong with my TV set.句型转换 —— —— —— with my TV set.My TV set ___ ___. China has an area of about 9,600,000 square kilometres.(about 9,600,000 square kilometres划线提问）___ ___is China?___ ___ ___of China? of,farm,has,kilometers,area,1200,square,an,the(怎么做,给好评)六年级英语连词成句 China has area of about 9,600,000square kilometers.A.a B.an C.the D./ in one’s payments怎么解释? M-payments什么意思 get a share in the payments industry 直接引语改间接引语时,表时间词语的变化 _____the heavy traffic jam,john got to the place where the conference was held on time.in ____,he was the first one who came to the conference.第一空填though 还是although,第二空填什么? Take whatever action is needed.这个句子结构如何 怎么划分 在英语中直接引语转间接引语时间是怎么变化的 china is 9,600,000 kilometers in area.同义句 1.may I take your o_?2.Would you like a l_ rice?3.Would you like to eat o_ with me?4.Good morning ,k_Good morning ,sir.根据句意及首字母补全单词 May I take a show 的同义句May I take a show 改为同义句May I ---- ------ ------?-----处为填空处 改同义句May I take a shower?是填空May I( ). Sorry,Ican't join you .I have to study for a test.翻译 terrible,bad,awful有什么不同? 天气不好用terrible还是bad 直接引语变间接引语时过去进行时怎么变 直接引语变间接引语是不是就等于过去进行时 Yes,it is,Thanks.下句怎么回答?（ ）（ ）（ ）.一个括号填一个单词(问别人这件东西是你的吗?） 根据括号的提示,将句子补充完整Yes,that is ——（的确如此）填两个词