A Yes ,  you did                
B. Yes, I did
C. No, you didn't                
D. No, I did

A. Do; thieves
B. Are; thieves
C. Does; thieves
D. Is; thief

A. Must            
B. Need      
C. Can              
D. Have to

A. Do; do                              
B. Can; do                        
C. Do; can                              
D. Can; can

A. Did; meets
B. Did; meet
C. Did; met
D. Did; meeting

— Are those your tennis rackets?
— No, ______.

A. it isn't
B. they are
C. those aren't
D. they aren't

1. We can wear hats in school.（改为一般疑问句并作肯定回答）      
     you     hats in school?      
Yes,_______     .    
2. She has to be in bed by ten.(改为否定句）      
She     to be in bed by ten.    
3. I have to do my homework after school.（对划线部分提问）        
                  you have to do your homework?    
4. Do your homework at school.（改为否定句）        
         do your homework at school.    
5. Tina is able to speak Chinese.（改为同义句）        
Tina                Chinese.

A. Yes,we do.                  
B. No,we didn't.                  
C. Yes,we did.                  
D. No,we don't.

A. Yes,I have                              
B. No, I haven't            
C. Certainly, I haven't                      
D. No, I have

1. Linda carries some new books to school library. (改为一般疑问句)
    _____ Linda _____ any new books to school library?
2. He will return the bike in ten minutes. (对画线部分提问)
    _____ _____ will he return the bike?
3. "Does your sister clean her room every day?" Mom asked me. (改写句子，句意不变)
       Mom asked me _____ _____ sister _____ her room every day.
4. Tom played volleyball after he helped his mom with chores. (改写句子，句意不变)
      Tom _____ _____ volleyball _____ he helped his mom with chores.