_云南成考网

28. (     )

• A、by
  
  

• B、with
  
  

• C、out of
  
  

• D、of
  
  

14. The library had about 20 copies of that book, but only one-third (   ) borrowed regularly. 

• A、is
  
  

• B、are
  
  

• C、was
  
  

• D、were
  
  

51.(      )