Question

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Answer 1

1 Letters are typed in the office by Mary

2 You will be helped by his father tomorrow

3 Human life has completely been changed by science and technology

4 This bottle was broken by Peter

5 English is being learned in the room

6 My mind can't be changed

7 I hadn't been told about it

8 Her telephone number isn't known by me

9 The children will be brought home by my students

10 A present was sent to be last week

Answer 2

1. Letters in the office are typed by Mary.

2. You will be helped by his father tomorrow.

3. Human life has completely been changed by science and technology.

3. This bottle was broken by Peter.

5. English is being learnt in the room.

6. My mind cannot be changed.

7. I had not been told about it.

8. Her telephone number is not known by me.

9. The chilren will be brought home by my students.

10. A present was sent to me last week.