Here are the answers to the questions based on the provided text:

1. **Choose the word that has a different stressed syllable from the rest.**
- **A. collect**

2. **Choose the best option.**
- **D. recycled**

3. **Supply the correct form of the verbs in brackets.**
- 14. **bought**
- 15. **make**
- 16. **volunteered**
- 17. **organized**

4. **Choose the word which best fits each gap.**
- 31. **A. most**
- 32. **B. made**
- 33. **A. unique**
- 34. **B. comfort**
- 35. **D. slices**

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