Помоги пожалуйста, очень срочно надо

Раскройте скобки, поставьте соответствующие местоимения
1. May I call you by (you) first name.
2. (I) boss comes at 9 o'clock.
3. I see (they) on the screen.
4. John comes into (she) rооm.

1 May I call you by your first name. 2. My boss comes at 9 o'clock. 3. I see their on the screen. 4.John comes into her room.