37. Mr. Brown sees his sister (   ). 

• A、very seldom
  
  

• B、only at the end of the year
  
  

• C、only at Christmas
  
  

• D、on Mark's birthday every year
  
  

44. Why must we have good eating habits according to the passage?

• A、We want to eat more. 
  
  

• B、We want to enjoy our meals. 
  
  

• C、We want to be healthy and strong. 
  
  

• D、We want to grow up quickly. 
  
  

53. (      )