We cannot live _____ air.
—Remember this,children.________careful you are,________mistakes you will make.—We know.Mr.Li.
—Which is________,the sun,the moon or the earth?—Of course the sun.A.smallerB.the smallestC.the biggest
—What’s the________of these vegetables?—It’s about 3 kilos.
The apples on this tree are bigger than________on that tree.
This book is________for students to read.