甲乙两人同解方程组

I was so tired that i couldn't keep my eyes ______.A.opening B.open C.opened D.to open.为何选B而不是选A?我知道是keep sth + adj,但是A怎么解释不行呢?不是keep me waiting吗? keep doing somethingd 用法和理解 求助一道英语改错题:My father doesn't work in every morning.在句中错误的地方下面画横线,并改正. falling in love with you without any reason,do you understand? 和你一起承担所有 （英文翻译） corrinne May 《FLY AWAY》的歌词中文翻译 Hi!Everyone My name is Lian Xinyan .I live in ShanXi,China.I`m 15 years old and my birthday is as most people do Do the most ordinary people I did not understand how love you 请问这个视频中女声英文歌曲叫啥 口语话题How do you understand the saying “success in one’s life depends on their ability to love”2分钟左右的演讲稿, i am not happy because i found my mother _______ my things yesterdayA looking thoughB is looking thoughC was lookingD looked for该选哪个?为什么? the map on the black wall is a map of the world.对the map on the black 提问—————————— ———————— is map of the world? What language you （speak）? To be healthy,my mother w_____ to work every day填"walks",为什么 Helen walks to work every day,改为 同义句 My father walks to work every day.(对画线部分提问)画线部分：walks 句型转换 My farther is a teacher.My mother is a tercher too.My farther is a teacher.My mother is a tercher too.My_____are_____teachers. 适当形式填空 It usually _____(snow)in winter in Harbin.我现在纠结的答案snow snows snowy Susan has a bad cold. She ( ) stay at home and drink more hot water A should B have to C had to I am b___ mu sister this evening because my motheris ill. My sister______her car this evening so we can have it.____里填什么? it take us about twenty minute to get to school on footit take us （about twenty minute） to get to school on foot对画（ ）的地方提问：( ）（ ）（ ）it( )us to get to school on foot? 假如你要接受一家英文报纸的采访,记者提出的问题是“How can you be a good teenager?"准备一篇应答稿急 i am bored 和 i am boring,哪个正确? Do you think the film is ＿.(bored) I am unhappy,Because I am is unluckily girl You must have the paper _______ by the end of this month.A.finish B.to be finished C.finished D.being finished为什么B不可以? You have to_(submit)your paper by the end of this month. 细胞和ATP有什么关系?细胞如何转化为ATP? 有关ATP/GTP的疑问ATP是生命活动的直接能源,GTP也有一部分但为什么是ATP而不是GTP作为生命活动的直接能源?或者是CTP或UTP和分子结构有关吗？