Who is thatt?-She is my English teacher Kate Brown. We call her ..
—I'm a teenager's mother. Sometimes I don't know ____.—Maybe he suffers from stress.
In the car market, I have to choose ____ because I don’t have enough money for my favourite.
—He’s not married Laura, ____?—____. They will celebrate their one year of marriage this Sunday.
The second Asian Youth Games will be____ in Nanjing in August, 2013.
Jack felt nervous when he found the physics problems ____ to work out.