Ответ:
1.My mum has been to Rome.
2.She has not watched any TV today.
3.We have stayed in a camp.
4.I have not slept in tent.
5.My little sister has not/driven in the ocean.
6.Kathy has won the first prize.
7.Olga has seen Bred Pitt.
8.I have (watched this film twice.
9.I have not watched this film yet.
10.We have already/stayed in this hotel.
11.My mum has gone to Moscow.
12.She has already/washed the dishes.
13.My dad has flown the plane.
14.I have never/been to Rome.
15.He has won the race.
16.She she eaten too much ice cream.
17.They have played football in the park.
18.I have already/written letters to my grandma.