---We can use QQ to talk with each other on the Internet.
---Really? But can you tell me _______it.
A. how I can use
B. how can I use
C. why can I use
D. when I can use
Now the air in Yancheng is _______ than it used to be . Something must be done to stop it .
A. very good B. much better
C.rather bad D. even worse
Miss Liu is _________ English teacher. She teaches _______ English very well.
A. us, we B. our, we
C. we, us D. our, us
_______ bad weather ! I can do nothing but to stay in bed for the whole day.
A. What a B. How a
C. What D. How
---How long did it _____ you to work out the difficult maths problems?
---I ______ about half an hour on it .
A. take ; took B. spend ; took
C. spend ; cost D. take ; spent
It is very _______ of you to speak in front of all those people .
A. polite B. honest
C. funny D. brave
