2002年我国发现首个世界级大气田,储量达6 000亿立方米,6 000亿立方米用科学记数法表示为( )
_____ the weather like today? A. What'sB. Where'sC. How's
--- Is this _____ dress?--- Yes, it is. A. youB. yourC. I
I have a _____. A. green skirtsB. yellow dressC. red skirts
School _____ over. A. areB. isC. am
--- _____ is the art room? --- It's on the second floor. A. WhoB. WhatC. Where