Has Li Lei cleaned his room yesterday?
Yes He did.
No,He didn't.
Li Lei hasn't clean his room ysterday.
Has Li Lei cleaned his room yesterday?
Yes He did.
No,He didn't.
Li Lei hasn't clean his room ysterday.
最新问答: 明白,价值,坎坷的近义词 含有水和天的成语 读“等高线地形图”,回答问题:(1)分别从B处和C处向A点前进,较容易到达山顶的是______处.(2)图中D点海拔为_ Is there any computer without noise? which items are more salable 怎么翻译? 帝加偏旁组词 英语翻译九年级上册英语人教版课文所有翻译 要全的 Everything is possible,Iam very happy to recieve this 已知{a n }的首项为a 1 ,公比q为正数(q≠1)的等比数列,其前n项和为S n ,且5S 2 =4S 4 . 初一(上)数学期中试题观察下列两组算式,第一组:1.0+1=1²2.1+3=2²3.3+6=3²4.6+10=4²5._ 植物细胞和动物细胞的区别,说主要的,例细胞壁、细胞膜、细胞质、细胞核. 六年级数学暑假新时空2分之1除7分之4的商,减去最小合数的倒数与9分之1的积,差是多少? 两筐苹果共120千克,吃了甲的五分之一和乙的十分之一共17千克,求甲、乙各有多少千克? 望洞庭湖赠张丞相 颔联写出了洞庭湖水的什么特点,有什么作用 一件商品按50%的利润定价,然后又打八折出售,结果每件获利20元,这件商品的成本价是多少? 小参加歌咏比赛,有七个评委为她打分,去掉一个最高分,平均分是9.45分,去掉一个最低分,平均分是9.65分,去掉一个最高 己知a的平方-4a+9b的平方+6a+5=0,求a+b的值 2分钟的小学英语故事,比赛的简单的演讲稿!` 英语翻译I've got a new job in a factory and started working yest 绝对值不等式性质?