6. What is the main idea of the talk? A. How do people keep dogs B. Why did people keep dogs in the old days C. The changes in the reason for people keeping dogs D. The reason for people keeping dogs nowadays 7. Why did people keep dogs in the past? A. For entertainment B. For protection C. For food D. For companionship 8. Why does the speaker mention hunting? A. To explain how dogs hunt B. To demonstrate dogs can be good hunters C. To show dogs are willing to obey their masters D. To emphasize dogs are smart 2 2 9. Who is not mentioned in the talk when speaking of companionship? A. Couples B. Teenagers C. Children D. Elderly people 10. What is the main reason for people keeping dogs nowadays? A. For protection B. For companionship C. To take the place of the child in the family D. To take the place of a friend