XV Write meaningful sentences based on the given words below.
1. Fossil fuel energy/ be/ another name/ non-renewable energy/ not?
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2. We/ surprise/ new/ means/ transport/ future.
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3. It/ be/ undoubted/ recycle/ be/ a/ very effective way/ save/ energy.
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4. Amount/ energy consumption/ keep/ increase/ over/ last/ few decades/ because/ sharp increase/ world population.
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5. It/ be/ alarming/ many/ people/ undeveloped countries/ be/ die/ everyday/ because/ starvation.
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XVI Rewrite the sentences based on the given used.
1. It is undoubted that people must stop over-exploiting, over-using and wasting energy sources right now.
Without...................................................................................................................... (doubt)
2. Our environment will treat humans in a way that human have treated it.
Humans............................................................................................................................ (be)
3. The government should penalize all the families with more than 2 children.
All the families................................................................................................................ (be)
4. What are the common causes of over-population?
How................................................................................................................................ (be)
5. Surprisingly, some European countries have to import trash from other countries to recycle.
It ......................................................................................................................... (surprising)
