Mark the letter a b c or d to indicate the correct answer to each of the following questions
1. D. transforming
2. A. with
3. B. expeditions
4. D. aren't they
5. A. seized up
6. B. were standing
7. A. let the cat out of the bag
8. D. take
9. D. social
10. C. The more difficult/ the more
11. A. will have discovered
12. C. was discovered
13. A. a new black sleeping bag
14. C. but
