Вставьте already, yesterday или yet. 
1. I haven't cooked dinner ..........
2. Did you cook dinner ..........?
3. -Has sho comr ......?
   - Yes, she has. She has ....... come.
4. They have ...... bought a present for Ann.
5. I haven't met him.....
Вставьте to или in.
6. They have never been .... Africa.
7. They were ..... Africa last year.
8. Have you ever been .... North America?
9. I have never been .... London.
10. My friend was.... Lomdon two years ago.