如图，平行四边形abcd中，∠abc=90°，ac=ad，m，n分别为ac，cd的中点

一篇英语写作:如今很多家长都给孩子零用钱,请以Should parents give children pocket money?为题写一篇120词左右的文章,表明你的观点 So if I give no money to them,_____should I give any to you?A.why B.how C.when D.where是不是选A? Should we give cold shoulder to English study英语作文 120词 谁有劲舞团全部英文歌曲名字,复制给我哈`谢谢`主要是有一首歌开头是打电话来的声音,小孩的声音,什么宝贝的` 味道的英语怎么写 各种菜的味道用英文怎么表达 这就是我房间的窗帘(英语)这就是我房间的窗帘 翻译 加拿大的国土面积是多少? Wei Fang,is that ________ ruler?Yes,it's. _____ a ruler ? yes,____. A.Is this, it is B.Is that,it‘s C.this is, it's A:Is that a ruler?B:Yes ( ) ( ). 我的中文名叫：陈灶玲,请帮我取一个和我中文名发音差不多的英文名. how is your mother【英语】He is Alan（写出同义句）【单项选择】（）1.—How is your mother?—（?）A.I’m fine,thanks B.she is 30 C.She is fine.Thanks you D.she is a teacher（）2.—（）are both in the school .A.Me and Helen How old is your mother? 问妈妈的身高怎么回答 HOW tall is your mother?怎么回答 My.cm. How old is your mother怎么回答 How old is your mother?这怎么回答啊 1.What color is____(it that you)ruler.2.what's___(I you his)Englishi name?____(I His It)is Harry 填空：What color is ____(it,that,you) ruler It's yellow. 找出下列句子的错误并改正 What color is that ruler?It is a red.This is her blue color bikeMrGreen is in the China nowCan you spell a pen,pleaseWhat is color is this还有额外奖励的 英语you和your的分别 英语翻译What is （ ） favourite sport?要用you还是your ( )your teacher ( ) ( ){与某人是很好的}you?应该给括号里提出怎样的英语?在{ }里的提示语! 用英语表示“你的”为什么不能用you's而用your? I can help you with your English.--_____________.I can help you with your English.--_____________.A.You are a good man B.You are so kindC.That' s very kind of you D.That' s rightB为什么不行呢? is that your ruler?no.it.isnot it is____,tom's the pen is tom's.what a() the ruler?it's mine what's that?（ ）is a ruler whose ruler is that?同义句whose ruler is that?==?is that 世上无难事只怕有心人 英文翻译 ------is-------if you make up your mind to do it.横线上填? I know nothing in the world is impossible if you set your mind to do it. Nothing is inpossible if you set your mind to do it.