_云南成考网

41. Many people wrote to Johnson to find out (   ).

• A、what kind of whisky he had
  
  

• B、how to live longer
  
  

• C、how to become wealthy
  
  

• D、in which part of the neck to have an injection
  
  

52. (     ) 

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