_福建成考网

13. I (   ) have handed in the report, but I (   ) not find the materials. 

• A、should; would
  
  

• B、should; could
  
  

• C、might; would
  
  

• D、would; could
  
  

46. The best way both for reading and for writing is to (   ).

• A、sit facing the light
  
  

• B、let the light shine from your back
  
  

• C、sit with your right side towards the light
  
  

• D、have the light come from your left
  
  

51. (    )