Поставьте 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

1.when she left the school, she  cut her hair and has worn  it short since then.
2. Mark, whyare  you making such a horrible noise? -I lost my key and I am trying to wake my mother, but she does not  hear anything.
3. I've never met him before but I've heard that he works as a programmer