Ответ:
1. Yesterday they felt tired and went to bed very early.
2. Where he spent his holidays?
3. Has she ever spent her holidays in the Crimea?
4. While travelling in the Crimea, she met your friend.
5. I have never visited that place.
6. You visited that place last year.
7. They just have got a letter from their uncle.
8. Have you taken any photographs while travelling in the south?
9. I and my friend were in the USA five years ago.
10. Were you in the Caucasus last year?
11. They left German when they were young.
12. My brother hasn't come back yet.
13. Yave you already finished?
14. When she saw them last?
15. We haven't seen our relatives for ages.
16. His health has improved greatly since I saw him last.
17. Hsve you passed your driving test yet? - Yes, I passed it in May, but I haven't bought a car yet.
18. We have already moved. We found a nice flat before Christmas and we have been there for two years.
Объяснение: