Odpowiedź :
Ex.1
1. has done
2. have bought
3. have made
4. have studied
5. has stopped
6. has lost
7. have taken
8. has prepared
9. have flown
10. has drunk
Ex.2
1. haven't chopped
2. haven't caught
3. hasn't come
4. haven't attacked
5. hasn't swum
6. hasn't written
7. haven't finished
8. haven't decided
9. haven't had
10. hasn't started
Ex.3
1. Has Judy finished her homework? Yes, she has.
2. Have you ever roasted a chicken? No, I haven't.
3. Has Eddie ever played chess?
Yes, he has.
4. Have the children had dinner? Yes, they have.
5. Have you ever made pancakes?
No, I haven't.
6. Has Ann set the table? No, she hasn't.
7. Have his brothers tidied their room? Yes, they have.
8. Has Max ever eaten sushi? Yes, he has.
9. Have they ever climbed Mount Everest? No, they haven't.
10. Has Mary done the shopping? Yes, she has.