1. We should make our world _____________ (pollute)

2. Listen me ___________ (care) you can solve the problem.

3. Plastic bags will cause _____________ (pollute).

4. Air and water _____________ (pollute) can make people fall ill.

5. Please listen to the lecture ____________ (care)

6. He was ____________ (disappoint) that they were not coming.

7. Mr Brown is one of the ___________ (conserve)

8. An accident happened because of driving ____________ (care)

9. The air in the city is ___________ (pollute)