53. (    ) 

7. In April, thousands of holidaymakers remained (   ) abroad due to the volcanic ash cloud. 

• A、sticking
  
  

• B、stuck
  
  

• C、to be stuck
  
  

• D、to have stuck
  
  

45. When you sit with your face towards the window (   ).

• A、your shadow falls on your book
  
  

• B、your book is in a shadow
  
  

• C、the light is still dark
  
  

• D、the light is on your page