Question

10. Complete the sentences with the correct passive form of the verbs in brackets. 8) Air …much … (pollute) by smoke at this time of the year. 9) Skin cancer … (think) to be caused by excessive exposure to the sun. 10) I went to the doctor yesterday and I … (prescribe) medicine for my cough. 11) The students … (inform) that the class had been cancelled. 12) This exercise ….( shold,do) to the next lesson. 13) The cat … (must have, feed) this morning. 14) The dinner …(have to, prepare) for everyone.

Answer 1

Ответ:

8) Air is much polluted by smoke at this time of the year.

9) Skin cancer is thought to be caused by excessive exposure to the sun.

10) I went to the doctor yesterday and I was prescribed medicine for my cough.

11) The students were informed that the class had been cancelled.

12) This exercise should be done to the next lesson.

13) The cat must have been fed this morning.

14) The dinner has to be prepared for everyone.

Answer 2

8. Air is often polluted by smoke at this time of the year.
9. Skin cancer is thought to be caused by excessive exposure to the sun.
10. I went to the doctor yesterday, and medicine was prescribed for my cough.
11. The students were informed that the class had been canceled.
12. This exercise should be done in the next lesson.
13. The cat must have been fed this morning.
14. The dinner has to be prepared for everyone.