Chia động từ

II. Chia động từ

1. Tree (cut) down

2. They (take) to the paper mill now

3. The bark (remove) yesterday

4. The wood (break) into small chips

5. The chips (mix) with water

6. The mixture (make) into pulp

7. Chemicals (add) to the mixture

8. The pulp (press) by rollers to remove the water

9. The paper (dry) by not rollers

10. The tolls of paper (send) to factories new paper offices