– Where does your brother work, Jane?
-- In America. But he __________in China for 5 years.
| A．has been working | B．has worked |
| C．worked | D．was working |
…Are there any CDs of Adele left in the store?
一There are only a few， ．
| A．if ever | B．if any |
| C．if some | D．if not |
Millions of people around the world suffer from a painful addiction to biting their nails，which can be harder than smoking cigarettes．
| A．to be quitted | B．to quit |
| C．to have quitted | D．to quitting |
most kids still love burgers，chicken wings and pizza，there are a lots of other foodsthat are to kids' taste．
| A．While | B．Since |
| C．Before | D．In case |
Ancient China was a country culture influenced other countries in Asia for centuries．
| A．who | B．which |
| C．whose | D．Where |
一Julia，you look upset．What's up？
…The computer break down at this busy hour．I have lots of typing to do．
| A．should | B．can |
| C．may | D．must |