--Everyone wants to keep healthy without too much effort.--So let's start from our mouth by _______ those healthy foods, which people can easily get in their daily life.
If you have ______ try, I’m sure you’ll get the right answer.
Who taught ______ history last term?
Many people watched the opening ceremony of the 2013 Shanghai Tourism Festival ______ September 14.
I would like to play piano instead of playing ____ chess.
--- I’ve got the first prize in the contest. --- ______