I need a joke

A colleague received the applicant in the office. He took the registration form, looked at it for a long time, and asked carefully: "Wooden stick? Are you a stick?"

The applicant His face turned green and he replied viciously: "My name is Lin Kun!"

While in class, the teacher suddenly said: "Whoever answers the next question I ask can go home after class."

At this time, Wang Gang immediately threw his schoolbag out of the window.

"Who threw it?"

Wang Gang said: "I threw it! Then, should I go home?"