Here are some Christmas presents, ____you can choose one for yourself.
. ---Have you seen ____ iphone? I left it on the desk this morning. ---Is it ____ white one? I think I saw it somewhere.
It is a ________,but is a chance as well.
How long have you ________ in the army?
—Why did Tony leave our company? —He was________ a better job at Haier.
________that you come here earlier tomorrow or you'll be in trouble.