Read. Circle the correct word to complete each statement

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2 Read. Circle the correct word to complete each statement.
1. Pests / Bees are beneficial to humans.
2. Some snakes are filthy / poisonous.
3. We conserve / destroy the environment when we cut down trees
4. The rubbish smells terrible. It's crucial / disgusting.
5. Crocodiles can be aggressive / crucial if their babies are in danger.
6. Cities try to control / decay the number of pigeons living there.
7. Stings/Germs are all around us. We must try to be clean.
8. Cats and dogs are popular / unpopular pets in many places.