stopped got waited
was ringing answered
was watching went
did you was doing
saw try(嘻嘻,你打错字了,不是tey而是try,试着)working
was riding stepped went hit
did jack
came took
was driving happened
stopped got waited
was ringing answered
was watching went
did you was doing
saw try(嘻嘻,你打错字了,不是tey而是try,试着)working
was riding stepped went hit
did jack
came took
was driving happened
最新问答: All of the people present felt ________ at the ________ news 质量为M=5kg的木板静止在光滑的水平面上,木板的上端有一质量为m=4kg的木块,以水平向左的恒力F=15N 为了充分利用太阳能使一年内正午太阳光线与太阳能热水器的集热板保持垂直,集热板与地面夹角的调整幅度为 (小学数学)六年级三个班植树,任务分配是: 甲班植三个班总棵树的五分之二, 乙、丙两班植树棵数的比 题目是这样的:一个等式.左边是一个根号中有个字母a,再用括号括起来平方,后边是a.判断是否成立.就是(根号a)^2=a是 填词语:( )的雏鹰 为什么一加一等于二啊? Those are (bananas).括号部分提问 已知:每个飞机只有一个油箱,飞机之间可以相互加油(注意是相互,没有加油机) 一箱油可供一架飞机绕地球飞半圈,为使至少一架 直线Y=KX+B与Y轴交于点(0,4),与坐标轴围成的三角形的面积为4,求这条直线的函数解析式. 甲列车从A地以150km/h的速度开往B地,1h后,乙列车从B地以70km/h的速度开往A地,如果AB两地相距200km 只要我们肯下功夫,就会梦想成真这句话的意义 我的作文一直写得不好,怎么办?我的作文一直都写得不好,同学们都说我的作文很烂怎么办? 求不定积分:∫[d(x+1)]/[(x+1)^2+2]= 元素周期表中前20个元素是哪些? ⒈解下列分式方程:⑴1/x+1=2/x^2-1 ⑵5/x-1+3-x/1-x=2 给个实验室制取 丙烯 的法子! 初一上6到9单元英语单词谁知道初一上6到9单元的单词? 1.下列句子加点词读法不同类的一项是( ) 如图,在△ABC中,∠B、∠C的平分线相交于F,过点F作DE∥BC,交AB于D,交AC于E,若DE=4,则BD+CE=_