Exercise: Combine these sentences using Adj + that clause :
1. The air in the city is ---------------(pollute)
2. Please listen to the lecture ____________ (care)
3. An accident happened because of driving ____________ (care)
4. He was ____________ (disappoint) that they were not coming.
5. Air and water _____________ (pollute) can make people fall ill.
6. Plastic bags will cause _____________ (pollute).
7. Mr. Brown is one of the ___________ (conserve)
8. We should make our world _____________ (pollute)
9. We must learn about keeping the environment ……………………. .
10. Environment …………………… is everybody’s responsibility. (protect)