Why don’t you put the meat in the fridge? It will_______fresh for several days.
| A.be stayed | B.stay | C.be staying | D.have stayed | 
You can eat food free in my restaurant ________you like.
| A.whenever | 
| B.wherever | 
| C.whatever | 
| D.however | 
________with a difficult situation, Arnold decided to ask his boss for advice.
| A.To face | 
| B.Having faced | 
| C.Faced | 
| D.Facing | 
That night Tom drove his car at ________we thought a dangerous speed.
| A.as | 
| B.which | 
| C.what | 
| D.that | 
The main problem with the road is ________the road conditions need________.
| A.that; to be improved | 
| B.which; to be improved | 
| C.where; improving | 
| D.when; improving | 
—Excuse me, but can you tell me whether Mr. Brown is still working here?
 —Sorry to tell you he________.
| A.doesn't any more work here | 
| B.doesn't any longer here work | 
| C.doesn't work any more here | 
| D.doesn't work here any longer |