59.(  )

He（）late into the night, but now he goes to bed early due to health reasons.

• A、used to work
  
  

• B、 used to working
  
  

• C、is used to working
  
  

• D、is used to work
  
  

What did Robert want to show with his video on YouTube?

• A、Dogs’conflict with other pets.
  
  

• B、Dogs’naughty behaviors.
  
  

• C、Dogs’trust in their owners.
  
  

• D、Dogs’apparent guilty looks.