_福建成考网

10. My father knows Kate's father. They (   ) to each other at a conference. 

• A、had been introduced
  
  

• B、are introduced
  
  

• C、were introduced
  
  

• D、have been introduced
  
  

2. (       )

• A、decide
  
  

• B、nine
  
  

• C、city
  
  

• D、polite
  
  

54. (     )