Mum: Bill.

Bill: Yes, mum. 

Mum: Are you reading in the bedroom?

Bill: No, I am not.

Mum: What are you doing?

Bill: To tell you the truth, I am playing a computer game. Mum: What game is it?

Bill: Driving Car.

Mum: Is it very interesting?

Bill: Yes, it is. Oh, my car is broken. (坏了). 

Mum: Well, I think you should do some reading.