Помогите пожалуйста, безотлагательно необходимо!!!

1. His work was hard and exhausting.
2. Someone has taken my pen.
3. He said that someone had stolen his wallet.
4. We can't hear their steps.
5. Look, a stranger is attacking someone.
6. Who Tom has invited?
7. Liz said that her cat hadn't eaten the fish.
8. I will leave all the discs at home.
9. My brother was writing rhis book.
10. My parents promised me a new computer.
11. They will reach the agreement by tomorrow.
12. My father is reparing the clock.
13. Does she approve all his decisions?
14. Had someone left the window opened?