1) There was a lot of garbage in the landfill.

2) My brother works in a factorty.

3) This is the most necessary material.

4) These days they live peacefully with each other.

5) Alas, nowadays they are at war with each other.

6)The plant polluted the environment.

7)He poured dirty water into the toilet.

8) The dog was protecting the house.

9) This action is a waste of time.