Change these sentences into Passive voice

Task 6. Change these sentences into Passive voice
1. Have you sent the Christmas cards to your family?
2. The committee appointed Alice secretary for the meeting.
3. He hides the broken cup in the drawer.
4. They keep this room tidy all the time.
5. They all voted the party a great success.

Task 7. Chuyển các câu có 2 tân ngữ sau sang câu bị động
1. They paid me a lot of money to do the job.
2. The teacher gave each of us two exercise books.
3. Someone will tell him that news.
4. They have sent enough money to those poor boys.
5. They have given the women in most countries in the world the right to vote.