三角形中线

Could _ have been _ who helped Sunny get her work done?A.they ,it B.they ,them C.it,them D.it,they 答案是 D为啥? French作名词用可以指“法国人”吗?相当于frenchman吗? 我想问新概念第一册有一句话是 Are you french,too?French表达的是法国人,为什么不变为Frenchman 呢急,麻烦快 详细点说好么 the summer my grandmother was supposed to die 的中文翻译 在四边形ABCD中,∠BAD与∠ABC的平分线相交于点E,试找出∠AEB与∠C,∠D的关系,并证明你的结论. grandmother翻译成中文 在四边形ABCD中,∠BAD,∠ABC的角平分线交于点E,试找出∠AEB与∠C,∠D之间的关系,并证明你的结论. i kinda liked when you put it in my behind是中文翻译什么意思? 四边形abcd中,角bad和角abc的平分线交于点p试判断角apb与角c角d之间的关系并说明理由 英语翻译当中的hand down from 具体怎么翻译 if只能跟在动词后面吗?也就是说I am not sure ______ he will come here.不能用if,只能用weather, if作“是否”讲时,常位于哪些动词后? mind后加if引导的从句则动词用什么形式?你介意我再吃一块蛋糕吗?_____ you _____if_____ _____another cake? 【句型转换】I have a headache .(变同义句) I ----- ----- a headache. 英语作文!think of favourute food in hometown.make a list of ingredients on my way to school 怎么写? Learning English and having English names ______ both popular,( are/is) on my way to school60字,只能有三个 l see 开头的句子,要有复合句. A police c___ a thief.How ___ to take the thief to a prison.O___ their way,t___ thief says to未完the policeman,"please wait me f___ some time,sir.I want to buy some bread.""I'm not a fuul,"syas the p___."you want to run away,d___ you?""No,but..."sa ____recent report says that all ___sea water will be polluted by 2040.A The;the B The;×C A;theD A;× latest与recent有和区别谢谢啦 ---you -- (write) a letter to your uncle tonight?选择正确的形式填空 it seems that the aged people_____the H7N9more easily from the recent cases 为什么用pick up 9．First he made a list of the names of those .Then he began to write the invitation cards.9．First he made a list of the names of those _____ .Then he began to write the invitation cards.A.to be invited B.to invite C .invited D.being invited he made a list of the names of those to be invited 中 to be invited 可换成to invite read the list of names.write f for first name and l for last name.用汉语怎么发音? 一首很好听的英文歌曲.好像是有什么 衣子SEI THE SEI 今天无意中听到一首英文歌, 只记得一句 （看sei油累dei）英语的 是个女生唱的 求告诉这首英文歌曲叫什么我确定是首英文歌曲 超嗨第一首; 英文歌 女的唱的 找着给我 wu da lei wu da lei hai sai kei sei you kei cei you , I want to ride to my grandmother 's home(对划线部分提问)my grandmother 's Peter's home is an hour by bus from the city center (an hour by bus) 划线 you always know ()in touch with me.to get;getting;how getting;how to get.应该填哪个? I didn't know _____you were getting on well with your work.Abecause B how Cthat Dwhich