Choose the best answer

Here are the best answers for each blank in the passage:

1. **A**. in
2. **B**. on
3. **B**. up
4. **C**. along
5. **C**. in
6. **A**. on
7. **C**. of
8. **A**. on
9. **B**. to
10. **A**. in
11. **B**. in
12. **A**. at
13. **D**. to
14. **A**. to
15. **C**. out
16. **C**. of
17. **A**. in
18. **D**. with
19. **B**. out
20. **D**. to

If you need further explanations or assistance, feel free to ask!