附教学听力材料及教材彩图：
Bob: Hello, Jenny!
Jenny: Hi, Bob.
Bob: Jenny, what are you doing?
Jenny: I'm watching TV.
Bob: Do you want to play tennis?
Jenny: No, this TV show is interesting. What's John doing?
Bob: He's washing the dishes.
Jenny: Well, what are Dave and Mary doing?
Bob: They're listening to a CD.
