2. How to Improve Your English

Mack is talking to his friend Don.

M: Hi, Don! How are you doing in your English class?
D: Not so well, I'm afraid.
M: What's the problem?
D: I'm not improving. Tell me, how come your English is so good?
M: Well, uh…I have an American girlfriend.
D: Aha! That's it. Now I know what to do. (He runs off.)
M: Hey, Come back! I was just kidding!