By the time I got home, my grandmother________the dinner and was watching TV.

• A、prepares  
  

• B、prepared 
  

• C、has prepared 
  

• D、had prepared

P: No, not very serious, but the doctor told me to stay in bed and have a good rest.
S: I see. I’ll  _____55_____ as soon as he came back.
P: Thank you. Goodbye!
S: Bye!

How does Peter get second-hand cartoon books now?

• A、He buys them from bookstores.

• B、He goes around collecting them.

• C、He borrows them from his friends.

• D、He waits for people to sell them to him.