II. Choose the best answer A, B, C, or D to complete the following sentences
1. B. came
2. A. for
3. A. will know
4. D. imaginary
5. B. will be sitting
6. C. have tried
7. B. scientific
8. B. to move
9. C. to seeing
10. D. was discovered
11. A. to keep
12. C. whether
13. B. had watched
14. C. is
15. D. was
16. C. tour