Don’t laugh ____ him, he only made a small mistake. [ ]
Li Na, a word-famous tennis player from Wuhan, never _______her dream, She has just set a new record in the 2011French Open.
This is a map ___ China. [ ]
Another thing that he _________ very difficult was English grammar.
Every minute about ____ babies are born in the world, so the world’s population is increasing by _____million every year.