Odpowiedź:
Exercise 1.
1. I have played...
2. have climbed...
3. have not done...
4. has not had...
5. has not tried...
Exercise 2.
1. (done)
2. Have they been to Australia?
3. Has she tried kick-boxing?
4. Have we researched the biography online?
Exercise 3.
1. (done)
2. Has Max studied Russian? - Yes, he has.
3. Have Pete and Gabbie eaten the crocodile? - No, they haven't
Wyjaśnienie:
Liczę na naj! :)
