I. Gi ve the correct form of the verbs n brackets in the passive voice .
1. Trees ( cut down) ............................
2. They ( take) .............................. to the paper mill.
3. The park (remove)........................
4. The move (break) .................. into small chips.
5. The chips ( mix) ..................... with water .
6. The mixture ) make) ...................... in to a pulp.
7. Chemicals and dyes (add) ......................... to the mixture .
8. The pulp ( press) ...................... by rollers to remove the water .
9 . The paper ( dry) .................. by hot rollers.
10. The rolls of paper (send) ...................... to factories newspaper offices, etc.