Rewrite the sentences in the passive:
1. You can buy scent at this shop.
2. I shall shut the door.
3. They moved the box away from the door.
4. The teacher finished the lesson.
5. You must finish your task right now.
6. Our team won the game easily.
7. We are doing homework.
8. She was planting some trees in the garden.
9. The teacher helps Lan.
10. My grandfather made that table.
11. Shakespeare wrote that play.
12. Colorful posters attract the children.
13. People grow rice in Vietnam.
14. A scientist discovered penicillin in 1928.
15. The postman delivers letters at 8.00.