1. I go to school __________(at / on) 7:30 every morning.
2. The doctor would like to meet her __________(between / among) 8:00 and 9:00 tomorrow morning.
3. -When did Hong Kong return to China?
    -__________(In / On) July 1st, 1997.
4. In the West, there is lots of excitement __________(in / on) Christmas morning when children get up
    very early to open their presents.
5. The Smiths have lived in China __________ (for / since) five years.

1. -Can I borrow your bike, Jane?
    -Oh, sorry, I have just lent it __________ Mary.
2. Taking good care __________ the earth is everyone's duty.
3. Last week Susan's father bought a new bike __________ Susan.
4. __________ the help of the teacher, he has made great progress.
5. The company is famous __________ the high quality (質(zhì)量) of its products.

A. of    
B.  for    
C.  in   
D.  about

A. Of, better  
B. Of, best    
C. With: better
D. With, best

A.  by    
B.  with    
C.  without    
D.  on

A. in      
B. to        
C. on          
D. for

A. In      
B. For      
C. Of         
D. On

A. In; into
B. For; into
C. At; to

A. on
B. with
C. in
D. above

A. with
B. for
C. to