—I'm a teenager's mother. Sometimes I don't know ____.
—Maybe he suffers from stress.
A．what does my son want to get B．what my son needs most
C．why is my son often angry D．why my son gets angry very oft en
In the car market, I have to choose ____ because I don’t have enough money for my favourite.
A．the cheaper B．the cheapest
C．more expensive D．most expensive
—He’s not married Laura, ____?
—____. They will celebrate their one year of marriage this Sunday.
A．has he; Yes B．is he; Yes
C．has he; No D．is he; No
The second Asian Youth Games will be____ in Nanjing in August, 2013.
A．happened B．take place C．held D．played
Jack felt nervous when he found the physics problems ____ to work out.
A．easy enough B．too easy
C．too difficult D．difficult enough
Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees.
A．are; every B．is; each C．is; everyone D．are; each
