You__ to the meeting this afternoon if you have something important to do .
| A.needn’t to come | B.don’t need come | 
| C.don’t need coming | D.needn’t come | 
—The room is so dirty.________ we clean it?
 —Of course.
| A.Will | 
| B.Shall | 
| C.Would | 
| D.Do | 
—Next week we’ll have the final English exam.
 —Yes. Then, every minute must be made full use ________ English.
| A.of studying | 
| B.to study | 
| C.of being studied | 
| D.of to study | 
—Can I help you, sir?
 —Yes. I bought this radio here yesterday, but it ________.
| A.didn’t work | 
| B.won’t work | 
| C.don’t work | 
| D.doesn’t work | 
A left-luggage office is a place where bags ________ be left for a short time, especially at a railway station.
| A.should | 
| B.can | 
| C.must | 
| D.will | 
—I heard that they went skiing in the mountains last winter.
 —It ________ true because there was little snow there.
| A.may not be | 
| B.won’t be | 
| C.couldn’t be | 
| D.mustn’t be |