3.2 In Class 在课堂上
M: Now let's begin the class. Who is on duty today?
W: I am, sir.
M: Please come to the front to have five minutes’ free talk in English.
Very well! Whose turn is it to have a free talk?
W: It's me, sir. But I am sorry I have forgotten to prepare for it.
M: Well. Don't forget to perform your duty next time, ok? Now, let's start our lesson.
