Passive voice 8. Did they sign the contract?
?
9. The student had cleaned the board before the teacher came in.
The board before the teacher came in.
10. They didn't return the books.
The books .
11. They are serving dinner now.
Dinner now.
12. The teacher punished the pupils.
The pupils by the teacher.​

Why do people (0) __B__ read books when there are a lot of other forms of (1) c)entertainment ? Some people say that books are not (2) b)powerful . They may add that TV is more (3) b)enjoyable and you can relax while watching a film. But books are still very (4) c)popular . They (5) a)encourage the reader to use his or her (6) b) imagination . You can read just a few pages, and then stop. But it may be so (7) c) successful that you can’t stop reading. There are many different kinds of books, so you can choose an autobiography or a science (8) b)fiction , or any book you like. (9) с)Non-fiction books help you to learn about real things and events. And you can not watch television on the underground. Books help you to (10) b)discover new things and explore new ideas.

1 He got together with a group of 3) like-minded.. friends to organise an environmental protest action.
2 The disagreement among the members of the group led to 6) tension between them.
3 In their attempts to 2) get their message across... some teenagers go beyond all limits and start hurting people.
4 Hippies 1) make a statement.. with their long hair, unusual clothes and bizarre lifestyle.
5 Straight edgers often behave in a way that goes beyond norms; people think they  8) hurt people physically.
6 If you stop accepting any new ideas you become 4) narrow-minded.
7 Punks opposed the values of the society and 7) protest against. its materialism.
8 Hippies were unlikely to 5) take their beliefs to extremes; they lived in groups together and were very peaceful.