ex. 1

2. glass

3. plastic

4. cardboard

5. should

6. electricity

7. water

8. shouldn't

ex. 2

2. she should recycle newspapers and magazines

3. she should turn off computer and desk lamp

4. she should take showers

Ответ:

Exercise 1

2. Glass

3. Plastic

4. Cardboard 

5. Should

6. Electricity 
7. Water

8. Shouldn't

 Exercise 2

2. She should recycle newspapers and magazines.
3. She should turn off computer and desk lamp.
4. She should take showers.