设xy满足约束条件2x+y小于等于4

it is alreadly 11 o'clock ,but t haven't finished my homework___ A.never B.just C.yet 为什么仙剑奇侠传的英语是PAL 仙剑4英招怎么打 胡歌的电影中,我最喜欢的是仙剑奇侠传 用英语怎么说 I can't understand.I don't understand.I'm not understand,这三个句子哪个对?为什么这三个句子哪个对?哪个错?为什么对,为什么错? 用英语说我不明白,是I can't understand 还是 I don't understand到底应该说是can't 还是don't我不爱你 又怎么说呢? ——I don't understand( ).Can you say it again——SureA.what you said B.what did you sayC.what to say D.what you say 理由 I _______ don't understand.Could you say it again?A yet B still C as well Give it your best 大家来讨论讨论仙剑四,顺便问一下仙剑四里慕容紫英喜欢的是谁········别的也可以说说说说说说, 仙剑4英招该怎么打啊? This all don't understand,silly force 求一首男女合唱英文歌男的开头唱的是i don't understand女的先唱,男的开头唱的大概意思是 我不明白我们之间出了什么问题.乐感听起来像 Far away from home Please don't use English say sorry.I cannot understand是什么意思? 神奇用英文怎么讲 一道高中英语选择,求原因,谢谢!There were ------more people who were suffering the awful pain at the edge of life and deathA muchB lotC quiteD many （要求回答原因）1,____can be seen from his face,he is quite statisfied.A That B It C Which D As要知道原因啊 white a note to somebody=sb是什么意思 Shall we go to the aquarium tomorrow morning?_______.A,Take it easy B,Sounds great C.Have fun（说明理由） A quarter of a million dollars on his head如题,原文的下一句是he walked unguarded among the peasants.这两句出自费力克斯·格林(Felix Greene)所著的《周恩来：一些个人回忆》(Chou Enlai:Some Personal Recollections).一直 smart cart是什么 a fresh chinese girl stole my heart翻译成中问什么意思 you'd better tell him ____different clothes.A.gets B.get C.to get you'd better ___some new clothes because all of your clothes are_____.A.buy;out of style B.to buy;out of style C.buy;fashionable she can pay you 25 dollars 对25 dollars提问 鸟的作文 英语翻译分不多.. Don't you really understand the answer?No,I don't _____ understand the answer.A quite B very Cso D too Spirit Of Love (Lp Version) 歌词 a love/spirit/sence of adventure意思是什么 She got plenty of money by d_____ means九上第五单元 The number of the students in our school ___ 2,000 now.(A)has risen to (B)rise to (C)rising to