Подскажите, пожалуйста, по английскому языку

Как правильно:
1.I (have been having) this clock since my father dead
или
I (have had) this clock since my father dead.

2. After I ______ scool, I'm going to university:
1) will leave
2) leave
3) 'm gong to leave

3. ___ Italian people eat a lot og pizza
1) The
2) ничего