II.
1. I weren't busy now
2. she had a bike
3. to go camping together
4. hundred people were invited to the wedding by Mary and Tom
5. seen her for 10 months
6. we could go out
7. she went to my birthday party
8. million books are sent to America every year
III
1. B will visit
2. C have/seen
3. A was built
4 B have to be rebuilt
5. C lived
6. B doesn't
7. D at
8. C would buy
9. C between
10. C from
11. D old enough
12. D to go
13. A playing
14. B to give
15. C themselves
16. D more
17. D the largest
18. C if
19. C so
20. A to improve