If you know consumer demand theory, you preferences for the consumption. knows knew know to know

ответ: know
 Present Simple

Does the average American child consume 8.5 hours of media every day when you add all this up? Общий

Does the average American or British child consume 8.5 hours of media every day when you add all this up? Альтернативный

Who consumes 8.5 hours of media every day when you add all this up? Вопрос к подлежащему

When does the average American child consume 8.5 hours of media? Специальный

The average American child now consumes 8.5 hours of media every day, when you add all this up, doesn’t he? Разделительный

exercise 1

1. I was eight last year.

2. She was eleven last year.

3. He was nine last year.

4. They were three last year.

5. They were six last year.

exercise 6

1. They were at school yesterday.

2. He was in the mountains last summer.

3. He was in the park last month.

4. They were in Great Britain last year.

5. You were in Moscow a week ago.

exercise 7

1. was

2. was

3. was

4. were

5. were

6. were

7. was

8. was

9. was

exercise 8

1. The third day was Wednesday. The boys were in the swimming-pool. Steve was the fastest swimmer! On Thursday we were at the circus! The bears were funny! The fifth day was Friday. In the morning we were in the zoo.