Вставить слова, . 1 sam (0) was writing on the classboard . he (1) what his classmates(2) at what time. 2 while pete (3) , john (4) him. 3 while sue ( , she ( . 4 bill (7) to tom. tom (8) and he (9) bill. 5 helen and laura ( .

1 Sam (0) was writing on the class board. He (1) didn't see what his classmates(2) were doing  at what time.

2 While Pete (3) was reading a book, John (4) came up  to him.

3 While Sue (5)was looking out of the window, she (6)saw her friend in the playground.

4 Bill (7) said hello to Tom. Tom (8) was listening to music, and he (9) did not hear  Bill.

5 Helen and Laura (10) were doing a puzzle.

How many tons of wood chips does it take to get one ton of paper pulp?
Where does plastic come from?
Where does paper come from?
What does the oil industry cause?
What does it mean if you take paper to a recycling centre?
How many plastic bags do we recycle in the UK?
What does happen to the rest of plastic?
How many years does plastic bag take to decompose?
What do plastic bags cause when animals mistake them for food?
Which is the best way to carry your shopping and protect the environment at the same time?

1. I am a pupil.
2. My father  is not a teacher, he is a scientist.
3.Is your aunt a doctor? - Yes, she is.
4.Are they at home? - -No, they  are not at home, they are at work.
5. My brother is a worker. He is at work.
6.Are you an engineer? - -Yes, I am.
7.Is your sister a typist? No, she  is not a typist, she  is a student.
8.Is your brother at school? - -Yes, he is.
9. Is your sister at school? - No, she  is not at school.
10. My sister is at home.
11.Is this your watch? • Yes, it is/
12. She is an actress.
13. This is my bag.
14. My uncle is an office-worker
15. She is at work