Explicación:
Here are the sentences converted to their interrogative forms:
1. **Edward is a smart boy** → Is Edward a smart boy?
2. **I am in my car** → Am I in my car?
3. **You are a teacher** → Are you a teacher?
4. **It is hot today** → Is it hot today?
5. **Betty is beautiful** → Is Betty beautiful?
6. **They are ugly** → Are they ugly?
7. **We are thin** → Are we thin?
