Form the correct words out of their roots given in the brackets:

1. Thrips are tiny insects which are hardly ............. (VISION) to the naked eye.
2. I wonder which party is going to put forward Mr Coxton's ............ (CANDIDATE) in the next election.
3. Does the thick fur of the polar bear give it enough ......... (WARM) during the long frosty winter?
4. It wasn't clear who of the neighbours showed so strong a determination as to ........... (NOTE) the police of the argument the Browns had at home.
5. Some of you must have forgotten to ......... (CONNECT) the iron before leaving the house and therefore the fire broke out.
6. Abraham Lincoln is a ........ (HISTORY) character.
7. The local council officer has again denied giving any ........ (PERMIT) to the building company for occupying the land.
8. It is feared that this dreadful accident in the chemical plant may have severe ......... (IMPLY) for the natural environment in this region.
9. The boy's ........ (OBJECT) behaviour was the primary reason for which he was expelled from school.
10. I do insist Robert be replaced by a more gifted speaker. His poor pronunciation and his .......... (MONOTONY) voice drive everybody crazy.
11. Only one sailor from the missing boat has been rescued so far. The fate of the other crew members remains ........... (KNOW).
12. 'I guess you have spent a fortune on your holiday in Spain.' 'No, on the contrary, it was absolutely ....... (EXPENSE).'
13. How could you have been so .......... (REAL) as to believe in Ronald's childish stories about ghosts in the cellar?
14. The huge collection of golden coins stolen from the museum last week was of ......... (PRICE) value.
15. The discipline that you practice must be rather .......... (INJURY) seeing that you get heavily bruised time and again.