Look at the highlighted verb's in exercise 1b verb meank. 1)it is very important/ necessary to do something? ( if you don't to it,well have a serious problem) have to. 2) it is not necessary to do something? (you can do it if you want). 3) it is ok to do something? ( if you do it, there is no any problem). 4)it is not ok to do something? , ( if you do it, you well have a serious problem).​

1. Yesterday he  washed his face at a quarter past seven.

2. I worked at school 3 years ago

3. We studied at university in 1998.

4. My mother didn't like milk in her childhood.

5. Our children played football last year

6. Do you  like your school? 

7. Did you work at the hospital last week? 

8. We didn't rest  yesterday

9. My friend lived in America 2 years ago.

10. Did you live in this house last year? 

11. Where do you study? 

12. Did your mother cook supper yesterday? 

13. I don't cook  my breakfast.

14. Did You prepare  your homework? 

15.I help my Granny at the garden

Мне кажется, что так.

The story takes place in the spring. In the evening, half hour before sunset. The author describes many of the plants, the color of which falls at certain times of the year. For example, primrose, evening primroses, thistles and others. 2.Hazel knew how to take care of himself. He was not frightened, what happens to little rabbit. He was bigger and braver of the Fever. Fiver was a small, shy, constantly alert, felt the danger. somewhat cowardly. Since these 2 rabbits were the first years, they could not yet fend for themselves. And faced with the contempt of the older and stronger cousins.