Here are the correct answers based on typical traffic and warning signs:

1. **What does the sign mean?**
**C. Pedestrian crossing.**

2. **What does the sign mean?**
**B. Deer crossing.**

3. **What does the sign mean?**
**C. Roundabout ahead.**

4. **What does the sign mean?**
**A. Cycle crossing.**

5. **What does the sign mean?**
**A. Roundabout ahead.**

6. **What does the sign mean?**
**A. Slow down.**

7. **What does this sign mean?**
**D. A and B are correct.**

8. **What does this sign mean?**
**D. Please drink water here.**

9. **What does this sign mean?**
**C. No pushing.**

10. **What does this sign mean?**
**B. Speed limit.**

Make sure to verify these answers based on your specific context or country regulations as they may vary.