a^2-3a __ __=2a^2 2a
a^2-3a __ __=2a^2 2a
1 laura __(want)__(buy) a new skirt.2 let"s __(take) the key
补全对话A:Excuse 1__!Do you 2__ an eraser?B:3__ I do.
3a+2b=3,则8-6a-4b=__
听音,填词,完成对话 听音,填词,完成对话. A:__ 1 __ buy a New Year __ 2 __ 
补全对话.A.Can 补全对话.A.Can you __ 1 __ ( 唱歌)?B.Yes,I __ 2 __ 
分解因式:(1)a^2+3a+2=_________(2)a^2-3a+2=________(3)a^2+9a+8=__
thinks a lot=thinks __ __
当a=__时,最简二次根式根号2a-1,-根号3a-7可以合并
一元两次方程2x²+x-a=0,当a=__时,方程有实数根;当a=__时,方程无实数根:当a=__时,
八年级英语题1、谁发明了自行车__ __ the bike?2、一辆汽车有四个轮子A can __ four __
英语翻译__ __ __ __ a beautiful girl.