13) Переделайте следующие предложения в Passive Voice, обращая внимание на место пред­лога. Переведите предложения.

1. We often speak a lot about their success.

2. Will the teacher send for the pupil's parents?

3. We thought about our reseach work all the time.

4. The doctor operated on her a day or two ago.

5. The young mother is looking after her child with great care.

6. The neighbours asked for help.

7. Nobody has lived in that old house.

8. The senior students laughed at the freshman.

9. They have already looked for the key everywhere.

10. We were looking at the man with great surprise.