TURN INTO PASSIVE
17.You mustn’t touch this button while the experiment is in progress.
18.Did people make jeans two hundred years ago?
19.We don’t use this kind of cloth to make shirts.
20. Nothing will affect the result of the competition.
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21. No one has found the missing boy.
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23. Nobody protects the tower well.
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24. The storm didn’t kill anyone.
17. This button musn’t be touched while the experiment is in progress
18. Was jeans made to hundred years ago?
19. This kind of clothes isn’t used to make shirts
20. The result of the competition won’t be affected
21. The missing boy hasn’t been found
22. The tower isn’t protected well
24. No one was killed by the storm