I/1.The bill must be paid at once.

2.English is spoken by many people in the world.

3.It's difficult to understand this question.

4.Your bicycle will be repaired tomorrow afternoon.

5.Miss Linda asked the students not to throw things away.

6.Many dangerous diseases can be cured by Penicillin.

7.Is rice exported to Britain by your country.

8.I was very delighted to pass the final exams.

9.It's very important to keep the environment clean.

10.The time machine will be shown to the public when it is finished.

11.He was delighted that his aunt's letter was received.

12.People recycle old car tyres to make shoes and sandals.

13.I'm very sad not to be accepted in that group.

Test for unit 11

1.Would you mind taking me a photograph?

2.Do you mind waiting   a moment?

3.Would you mind turning down the TV?

=>
1. The bill must be paid by us at once.
2. English is spoken by many people in the world.
3. It's difficult to understand this question.
4. Your bicycle will be repaired by me tomorrow afternoon.
5. Miss Linda asked the students not to throw things away.
6. Many dangerous diseases can be cured by Penicillin.
7. Is rice exported to Britain by your country?
8. I was very delighted to pass the final exams.
9. It's very important to keep the environment clean.

10. The time machine will be showed to the public when it is finished.
11. He was delighted that his aunt sent him a letter.
12. People recycle old car tires to make shoes and sandals.
13. I'm very sad not to be accpeted in that group.

Test for UNIT 11
1. Do you mind taking me a photograph?
2. Would you mind waiting me a moment?
3. Do you mind turning down the TV?