5. The poem was written by Clement Clarke Moore in 1823.

6. You should send Christmas cards a week before Christmas day.

7. This machine hasn't been used for years.

8. Recycled plastic is used to make toys and utensils.

9. You can buy tax-free goods before you get on the plane.

10. We are going to have the repairman repair my car next week.

11. Tea can be made with boiled water.

12. All the workers of the plan are being instructed by him at the moment.

13. Some of my books have been taken away by a boy.

14. The celebration will be held before January.

15. Their car has to be repaired.

16. The window was broken by the boys last night.

17. Much money is spent on advertising every day.