The number of the books in our library _________ about 20,000.
________you read it,you can’t imagine how moving the story is.A.UnlessB.BecauseC.Although
Mo Yan won the Nobel Prize for Literature last year.________excellent he is!
I won’t go to tomorrow’s party________I am invited.A.ifB.unlessC.when
—________foggy day!—Something must be done to solve the haze problem.A.HowB.WhatC.What a
If he________free tomorrow,he________to see me.