—If there are _________cars, there will be _________air pollution. —Yes. And the air will be cleaner.
—Do you like math ? ---Yes ,but I think it’s _________subject of all.
Which one is ________,the white one or the black one?
My best friend likes to do the same things ________me.
Jim is _____than Tom .
The boy isn’t short .He is ________than he was two years ago.