IV. 1 - C. remind
2. B. wouldn't have bought
3. D. So did I
4. A. to see
5. B. wasn't it
6. D. had been laid
7. D. she had worked
8. C. sold
9. B. was not
10. D. to carry
11. A. did they come
12. B. needn't
13. A. has been invested
14. D. would be
15. A. are you going