4.1
Students take an exam. Teacher says to them:
- You know, why I am here? I am here, because somebody has to send
men for our army.

4.2
It's Biology exam. Teacher takes bird's leg from his pocket and talks to
the student:
- You have to know whose leg is it.
- Well... I don't know...
- Great! I'll check off the grade F for you.
The student suddenly takes his record-book and leaves the classroom.
Teacher talks to him:
- Wait! What's your name?
The student shows him his leg and says:
- _YOU_ have to know!

4.3
Luxurious cars are on sale. There's an ad: Rolls Royces are 10% off for
students! Cadillacs are 15% off for kids!

4.4
A student takes an exam. Teacher is young pretty woman. She says:
- I'll check off the grade D!
- Wait... I can walk on a wall.
- Really? Show me that!
The student walks on the wall.
- Well... I'll check off the grade C for you.
- Wait. I can walk on the ceil!
The student walks on the ceil. Teacher wants to check off the grade B. The
students talks her again:
- If I make love, women becomes as a fragrant flower.
He and she make love. The women sniffes at herself and says:
- But I can't sniff nohting!
- OK! I'll agree for a grade B.

4.5
It's student's diary
Day 1. I have 15 cents. I am very hungry.
Day 2. I have 15 cents. I am very hungry.
Day 3. I received $200 from my parents. I went into the dorm.
Day 4. I can't remeber...
Day 5. I can't remeber...
Day 6. I can't remeber...
Day 7. I have 15 cents. I am very hungry.