Поставьте пожалуйста правильно времена1.when she (leave) the school, she (cut) her

Поставьте пожалуйста правильно времена
1.when she (leave) the school, she (cut) her hair and (wear) it short since then.
2. Mark, why you (make) such a horrible noise? -I (lose) my key and I (try) to wake my mother, but she (not to hear) anything.
3. i never (meet) him before but (hear) that he (work) as a programmer