I enjoy staying outside so I always sleep with the window open it is really cold．
| A．since | B．when |
| C．if | D．unless |
—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 |