1. A: We call Charles 'Hercules'. B: He's a very strong boy!
2. A: Rob buys cakes and sweets for everyone in the class. B: He's a very good boy!
3. A: When Tim shouts, everyone in the class jumps! B: He's a very loud boy!
4. A: Stuart gets good marks in all his tests! B: He's a very good student!