1. Claire has already left.
2. I am very busy now. I have told you several times.
3. Без изменений
4. Has the student already read the text?
5. We haven`t had any news about them since they left the town.
6. She has been ill since last Friday.
7. Без изменений.
8. Без изменений.
9. Look! What a beautiful picture Martin has drawn.
10. I have lived in that house since two years.
11. Без изменений
12. I saw Mike recently
13. Denny arrived here in 1999.
14. When did you meet him?
15. The doctor has just gone out.