Помогите пожалуйста:
Task- II. Present perfect or Past simple? Choose the right answer!
1. Last year my parents …. at home during their holidays.
a/ have stayed b/ stayed c/ to stay
2. This year they ….. a trip around the world.
a/ made b/ have made c/ makes
3. I … the address of my friend
a/ lose b/ lost c/ have lost
4. I ….. his address yet at home
a/ didn’t found b/ haven’t found c/ finds