exercise 1: 1 sawage 2 pollutants 3 radioactive 4 aquatic 5 untreated 6 contaminated 7 effects 8 pollutant 9 dumped 10 dead exercise 2: 1.C 2.D 3. A 4.A 5.A 6.D 7.A 8.C 9.B 10.B Exercise 3 : 1 fruit 2 pet 3 furniture 4 clothing 5 food 6 drink 7 jewelry 8 toy 9 flower 10 novel Exercise 4 : 1 b 2 c 3 c 4 a 5 a 6 a 7 c 8 c 9 c 10 a Exercise 5 : 1 works 2 likes 3 lives 4 rains 5 fries 6 closes 7 tries / don't think 8 passes 9 is /watch 10 Writes 11 do you speak 12 doesn't live

exercise 1:

1 sawage

2 pollutants

3 radioactive

4 aquatic

5 untreated 6 contaminated

7 effects

8 pollutant 9 dumped

10 dead

exercise 2:

1.C

2.D

3. A

4.A

5.A

6.D

7.A

8.C

9.B

10.B

Exercise 3 :

1 fruit

2 pet

3 furniture

4 clothing

5 food

6 drink

7 jewelry

8 toy

9 flower

10 novel

​ Exercise 4 :

1 b

2 c

3 c

4 a

5 a

6 a

7 c

8 c

9 c

10 a

Exercise 5 :

1 works

2 likes

3 lives

4 rains

5 fries

6 closes

7 tries / don't think

8 passes

9 is /watch

10 Writes

11 do you speak

12 doesn't live