Here is the solution:
1. Answer: Yes, you may.
2. Answer: Ben, your brother.
3. Answer: No, he is.
4. Answer: He is my classmate.
5. Answer: Yes, he is.
6. Answer: You, you.
7. Answer: The best friends.
8. Answer: He, Spanish.
Other exercises involve matching and filling the blanks. Respond to each prompt carefully based on the instructions.