Answer the questions:
1. Why is it difficult to define the word quality?
2. What does this word mean to different people?
3. Why does the meaning of this word change over the years?
4. What points were emphasized in the ad of 1897?
5. What points are emphasized now?

1. Children at home now? No. They're at school.2. Where is my sister? She's in her room.3. Does your friend have an uncle? Yes.4. How old is your mom? She's 42 years old.5. You should not help a friend with a home.6. Can you play chess? Yes.7. What can your little brother do? He can read and write.8. Is his name Tom? No. His name is Bill.9. Is your sister an accountant? No. She is a manager.10. Why can not you help your friends?11. My mother's sister does not live in Russia. She lives in America.12. Do they watch television now? No. They make a house.13. Where does he always walk? He always walks in the park.14. Lena's friends rarely go to the theater. They like to go to the movies.15. Who works in the school? My mum.16. Who plays the piano right now in your room? My sister.17. Why are not you at school? I am sick.18. What are you doing now? I'm going home.

1. Are children at the home now? No. They're at school.
2. Where is my sister? She's in her room.
3. Does your friend have an uncle? Yes.
4. How old is your mom? She's 42 years old.
5. You should not help your friend with his homework.
6. Can you play chess? Yes.
7. What can you little brother do? He can read and write.
8. Is his name is Tom? No. His name is Bill.
9. Is your sister an accountant? No. She is a manager.
10. Why do you can't help your friends?
11. My mom's sister does not live in Russia. She lives in America.
12. Do they watch TV now? No. They doing a homework.
13. Where does he always walks? He always walks in the park.
14. Lena's friends rarely go to the theater. They like to go to the cinema.
15. Who's work in the school? My mom.
16. Who's playing piano in your room? My sister.
17. Why are you not at school? I am sick.
18. What are you doing now? I'm going home.