A. not play    
B. not to play    
C. to not play    
D. don't play

A. to ride a bike; take a bus    
B. to take a bus; ride a bike
C. riding a bike; take a bus    
D. taking a bus; ride a bike

A. for; to be
B. for; not to be
C. to; not to be
D. to; to not be

A. turning off
B. turning on
C. to turn off
D. turn off

A. to talk about
B. to talk with
C. talking about
D. talking with

A. to bring      
B. bringing      
C. bring      
D. brings

A. eat          
B. to eat            
C. eating          
D eats

A. stay      
B. staying        
C. to stay      
D. stayed

1. Can you take care of your sister?(同义句转换)
    Can you __________ __________ your sister?
2. What is the matter with you?(同义句转换)
    __________ __________ with you?
3. I spent half an hour cleaning my room.(同义句转换)
    It __________ __________ half an hour __________ __________ my room.
4. Jim goes to school by bike every day.(同义句转换)
    Jim __________ __________ __________ to school every day.
5. They returned to their hometown last week.(同义句转换)
    They __________ __________ __________ their hometown last week.
6. David takes a shower once a day in summer.(对划线部分提问)
    __________ __________ __________ David __________ a shower in summer?
7. She is going to stay there for a week.(对划线部分提问)
    __________ __________ is she going to stay there?

A. to becoming    
B. to become    
C. becoming    
D. became