I. Write the correct form of the word in brackets.
9. The accident at the power station caused the release of _______ into the atmosphere. (radioactive)
10. _________ are alarmed by the dramatic increase in all types of pollution. (environment)
II. Choose the best answer to complete the sentences.
1. If you ____ in the Sahara, you ____ the value of fresh water.
A. was – will realise
B. will be – realise
C. were – would realise
D. are – would realise
5. We ___ in the reduction of carbon emissions if we ____ clean bottles, cans and paper.
A. will aid – recycled
B. could aid – recycled
C. aid – will recycle
D. can aid – recycle
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