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急,英语单选, 英语完型填空（单选）在线等,回答立即好评 英语单选14到18要写出语法点. school has （over）的over的分词是什么?不会是overed吧? 英文经济方面的问题问答题1.how might a knowledge of the price elasticity of demand for its products be useful to a firm?2.what arguments would you use to support privatisation of state-owned industries in china?3.what is meant in game theo 写出下列动词的现在分词形式.1.piay( ) 2.wstch ( ) 3.study( ) 4.take.( )5.stop( )6.wait( )7.begin( )1.piay( ) 2.wstch ( ) 3.study( ) 4.take.( )5.stop( )6.wait( )7.begin( )8.give( )9.have( )10.make( )11.meet( )12.lie( )13.put( )14.fight( )1 sleep\take\wait\stop\carry\like\give的现在分词 英语单选, 34-45.英语单选! 七到英语单选, 设Sn是数列an的前n项的和,且Sn=n^2,则an是等差数列还是等比数列? 如何把握英语口语的语调和语速? 英语翻译此句子：人民币升值对我国经济正反两方面的影响并得出人民币适时升值对我国经济发展不可估量的积极意义 英语口语问题(语调)比如像next,first of all,then,again此类的连词放在句首应读升调还是平调? 高端一点的英语口语 我马上要上英语口语课做英语的自我介绍 感激不尽 英语翻译国产品牌手机市场份额的大幅增加就是中国经济快速发展的具体表现之一. take walks 意思 been 是 be 动词 be 的‘分词’,中的‘分词’是什么意思请详细说明 当动名词后面接宾语时,那这是动名词是理解为动词呢还是名词,还是带有名词性质 的动词,或者是带有动词性 去e加ed的动词过去式有哪些 offer的过去式 过去分词 现在分词 water过去式过去分词 英语翻译Aruna took the lead in the final 200 yards and ran off to a three-length victory in the $100,000 Pebbles for 3-year-old fillies on Monday.Ridden by Ramon Dominguez,Aruna trailed most of the field before moving up steadily on the turn,goin 英语翻译In recent years,E-commerce changes our life a lot.We use online shopping,online transactions between merchants,online electronic payment and a variety of business activities,transactions,financial activities,etc.Compared with conventional 英语翻译（我.会去德国旅游观光的,.到时候一定要见你,那是一件对我来说很遥远的事情,具体我也不知道什么时候去,因为去欧洲的旅游费用很高,到时候我可以和你心爱的马住在一起吗.】 有什么方法提高英语口语?且不带中文口音的纯正口音. 为什么某个英语句子开头用make sure.而不用making sure.不是动名词作主语吗? make sure后跟什么句子(分几种类型) make sure后面能跟名词吗?请告诉我make sure后面能接的所有形式, 改被动语态 she is going to play the match today2.we saw a bus running towards us at that time 3.they elected her leader of the group 4.xiao liu has invited you to a lunch party 5.you must not take these magazines out of the reading-room 6.has an 被动语态 she is going to play the mattch today offer的过去式和现在分词