Ms. Li: A-fu, why were you late every day this week?

A-fu: I'm sorry, Ms. Li, but there 1 a traffic jam on Monday morning.

Ms. Li: How about Tuesday and Wednesday?

A-fu: I missed the bus.

Ms. Li: Why did you miss the bus?

A-fu: I 2 very hard and went to bed late.

Ms. Li: If you keep being late, I 3 you dump garbage for the class for one month!

A-fu: But Ms. Li, I was NOT late this morning!

Ms. Li: No, you weren't. But why are you still wearing your slippers?

A-fu: What? I...!?