đề bài là put these sentences into the passive voice moi nguoi giup em với em can gap em cam ơn

5. Employers must pay all travel expenses for this training course.

All travel expenses must be paid for this training course by employers .
6. Did her story take them in?

Were they taken in by her story?
7 The bank manager kept me waiting for half an hour.

I was kept waiting for half an hour by the bank manager.
8 Has he spelt this word wrongly?

Has this word been spelt wrongly?
9 All his friends will see him off at the airport.

He will be seen off at the airport by all his friends.
10. They used to drink beer for breakfast in England years ago.

Beer used to be drunk  for breakfast in England years ago.
11. Someone might have sent the letter to the wrong address.

 The letter might have been sent to the wrong address.
12 They were cleaning the floor when I arrived.

The floor was being cleaned when I arrived.
13 They are digging the hole on the wrong side of the road.

The hole on the wrong side of the road is being digged.
14 They are going to steal your money if you're not careful.

Your money is going to be stolen if you're not careful.
15. Has anyone ever asked you for your opinion?

Have you ever  been asked for your opinion?
16 Alan's knowledge of art doesn't impress me.

I am not impressed by Alan's knowledge of art.
17 How do people make candies?

How  are candies made by people?
18. They can't make tea with cold water.

Tea can't be made with cold water.
19 When is someone going to announce the results of the contest?

When is the results of the contest going to be announced?
20 Nobody informed the police that there had been a mistake.

The police was not  informed  that there had been a mistake.