Here are the correct answers based on the text provided:

1. **What does Janet look like?**
- **C. She is short and slim.**

2. **What is Julie like?**
- **B. She is very helpful and kind.**

3. **What do Julie and Janet do at break time?**
- **A. Sometimes they play skipping.**

4. **Why do Julie and Janet walk home together after school each day?**
- **A. Because they live in the same building.**

5. **What does Julie do when she has a difficult question in her homework?**
- **C. She asks Janet for help.**