A. Did you used to
B. Did you use to
C. Do you used to
D. Do you use to

A. Did you used to
B. Did you use to
C. Do you used to
D. Do you use to

1. It's very hard to work out the math problem. (同义句)  
     ______ the math problem is very har.
2. I would like to come to China for my vacation. (改为一般疑问句)  
     ______ like to come to China for ______ vacation.
3. How about taking him to the Ming Tombs? (作肯定回答)  
    ______ ______!
4. Maria has to finish her homework first. (否定句)  
    Maria ______ ______ to finish her homework first.
5. We can explore the graves of ancient Chinese emperors. (就划线部分提问)  
     ______ ______ we explore?

A. Yes, I would. 
B. Of course not. 
C. Yes, I'd love to!
D. No, I wouldn’t. 

A. Are; some                  
B. Does; a
C. Do; some                    
D. Do; any

1．John comes from England. (改为一般疑问句)
     _____ John _____ _____ England?
2．She speaks French. (改为否定句)
     She _____ _____ French.
3．My pen pal is from Paris. (就画线部分提问)
     _____ _____ your pen pal from?    
4．My sister speaks English. (就画线部分提问)
    _____ _____ _____ your sister _____?
5．He comes from New York. (改为同义句)
      _____ _____ New York.

1. She is taking care of her sick mother. (变一般疑问句)
    ______ ______ taking care of her sick mother?
2. Jim felt upset just now. (变否定句)
   Jim ______ ______ upset just now.
3.Tom's mother looks worried. (对画线部分提问)
   ______ ______ Tom's mother look?
4.  Let's sing the song together, ______ ______? (完成反意疑问句)
5. 他太困了而不能做任何家庭作业。 (完成译文)
    He was ______ sleepy ______ do any homework.

A. Yes, I would    
B. of course not  
C. Yes, I'd love to   
D. No, I wouldn't

A. Yes, I could  
B. No, I couldn't  
C. Yes, I can  
D. No, I can't

A. Yes, it does
B. It comes from Africa
C. No, it doesn't matter
D. It comes from China or Africa