3. If rice paddies are polluted, rice plants will die.

4. Mr. Brown wants everyone to listen to him carefully.

5. If we go on, the environment will badly affect our lives.

6. I'm hungry now as I haven't eaten all day.

7. We are confident that if people work together, they can keep the environment clean.

8. If he doesn't apologize, I will never talk to him again.

9. What about using banana leaves instead of plastic bags to wrap food?

10. If we reuse and recycle bottles and cans, we can reduce garbage and save natural resources. That's how we can save the environment.

3. If rice paddies are polluted, rice plants will die.

4. Mr. Brown wants everyone to listen to him carefully.

5. If we go on, the environment will badly affect our lives.

6. I'm hungry now as I haven't eaten all day.

7. We are confident that if people work together, they can keep the environment clean.

8. If he doesn't apologize, I will never talk to him again.

9. What about using banana leaves instead of plastic bags to wrap food?

10. If we reuse and recycle bottles and cans, we can reduce garbage and save natural resources. That's how we can save the environment.