Odpowiedź:
1. Marysia has just finished training
2. Marcin has never been in USA
3. Have you ever slept in a tent
4. David has been in Egypt four times so far
5. mother's friend has worked and works in a hospital since 2003
6. father's brother has worked and works as a plumber for 10 years
7. Grzesiek has recently found a good paying job. He is so happy
