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-Tom,you look so tired.-Yes,I did my homework___12o'clock last night .A.before B.at C.after D.until -Tom,you look tired-Hi,Tom,you look tired-yes,i'm too tired.i ( ) a report all night long.A am preparingB preparedC have been preparedD had prepared答案C为什么用现在完成时? lat's play volleyball,_that sounds good这句话错在哪 在这句Let us play volleyball,that sounds good中!为什么SOUND要加S呢?我要好好学习英语!不能漏一点就是上面的单词SOUNDS为什么加S呢? This book is very i___,and we all like it.Let's play soccer.---No.That sounds b___. play computer games That sounds interesting play volleyball ______ watch TV _____play basketball ___________一问答八句!总共4问. 英语中 表建议的答语有哪些 如：Let's play basketball!That sounds good. 四年级下册人教版语文练习册23课古诗词三首我要里面的答案,就是不会改,是第四大题的第一小题.第五小题的第二小题.急! 四年级下册语文练习册53页第七大题的第3小题,2009的! 英语 急 (11 20:49:37)根据首字母填空She is had her hair cut in a really nice a          英语 (24 11:57:49) 这是给你的礼物,祝你生日快乐.怎么翻译? 英语 急 (8 11:42:54)Mary asked Ann,"Why are  you so excited?"Mary asked Ann ___ ___ ___ so excited. didn't doesn't don't 怎么用 don't doesn't didn't won't hasn't haven't hadn't 的用法 请问是前面是实意动词的不定式都是在前面动词上加don't(doesn;t,didn't）吗不加NOT TO DO这一类吗?就是不加NOT TO DO这一类吗？--- 那些单词虽然后面接动词不定式,但是否定式在前面动词前加don't(doesn;t,didn't）比如I want to be an actor.不写I want not to be an actor.写I don'tvwant to be an actor. 我有好多道应用题不会,可明天又得交哦!某人将20000元投资于一个合作公司,一年后还本付息是,他取出10000元,剩余的本息再投入该公司,再过一年后取得本息共13200元,若该公司这两年付息的年利 数学应用题《上海作业》上的（感谢）某校语文老师人数与数学老师人数比是13：7,如语文老师2人改行教数学,则人数的比是3：2,数学教师各有几人?某班成立甲,乙两个藏书组,已知甲,乙两组藏 I find to play games with children intercting.和I find that ...I find to play games with children intercting.和I find that it is intersting to play games with children.这两个句子有什么区别 那个“that”怎么用的 many young children find interesting to play computer games A that B it c this d one i find it is interesting to play computer games这句话是否有误呀？i find it interesting to play computer games这句话有误吗？两者之间有没有什么区别 Most of yong children find_____ interesting to play computer games A ,it B,this C,that D,it‘s 英语----- went hiking last weekend because of the bad weather.A no one B none I didn't go for an outing with them last weekend because I was ill.=I didn't go for an outing with them last weekend because I was ill.=My illness ＿me＿ ＿ them in going for an outing last weekend . les's go hiking this sfernoon.(用last weekend改写） Amy went hiking last weekend.(改为一般疑问句)?要求填空：Amy went hiking last weekend.(改为一般疑问句)______Amy ______ ______ last weekend I went to a park last Sunday（改为一般疑问句）？______ _______ _______ to a park la What did you think of the play?i _ _ minute of it --------What do you think of his ___ play?--------I like it much better than his ____ one.A.last...latestB.latest...lastC.later...lastD.later...latest正确答案是选B,为什么啊,这两句怎么翻译? 1 -What do you think of the TV play?-Wonderful.It is worth___ a second time.A.watching B.watched C.seen D.seeing What do you think of the TV play?2.An accident ____ on this road last week.A.has been happened B.was happenedC.is happened D.happened这题选什么为什么 What do you think of the TV play 改为同义句 二次函数的应用题,明早就要交作业了,摆脱.某公司经销一种绿茶,每千克成本为50元.市场调查发现,在一段时间内,销售量w（千克）随销售单价x（元/千克）的变化而变化,具体关系式为：w=-2x+240