1. B
2. A
3. A
4. C
5. B
6. D
7. B
8. A
9. C
10. C
11. D
12. B
13. C
14. B
15. D
16. B
17. C
18. B
19. D
20. C
1. would be
2. would have waited
3. went
4. studied
5. is
6. made
7. had had
8. are
9. If I remembered his address I would send him an invitation
10. if john weren't working on two jobs right now he would have time to help you