A. Do; read    
B. Are; read    
C. Does; read    
D. Is; read

A. allow        
B. are allowed  
C. are not allowed      
D. allowed

1. My mother stopped me from talking during the dinner. (改为同义句)
My mother didn't ______ me ______ talk during the dinner.
2. You mustn't throw anything at the animals when you are in the zoo. (改为祈使句)
_____ _____ anything at the animals when you are in the zoo.
3. The twin needs some bananas. (改为否定句)  
The twin ______ need ______ bananas.
4. It's known that Zhang Ziyi is a famous actress. (改为同义句)
Zhang Ziyi ______ ______ ______ a famous actress.

A. is wanted      
B. are wanted      
C. wants          
D. want

A. was done      
B. will be done    
C. to be done    
D. is done

A. be allowed    
B. not be allowed  
C. be asked      
D. allowed

A. be spoken to politely              
B. speak to polite
C. be spoken politely                
D. speak polite

1. I can't think of any possible _____ (explain) for her absence.
2. _____ (general) speaking, most people will help in such situations.
3. The key is used for _____ (lock) the door.
4. Last night he found it hard ____ (fall) asleep.
5. I've two _____ (knife). I use them to cut watermelons.
6. A little nervousness is only to be _____(expect) when you are starting a new job.
7. Mr. Li is ____ (think) to be costing software, companies millions of dollars a year.
8. --Has anyone been ____ (choose) to be the host of the charity show?
   --Sorry, I don't know.
9. I know she won't come to join us unless she ____ (tell) to.
10. NO SMOKING should _____ (see) in the stores even in many parts of the city.