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1. If his hometown had not been d__________   in the earthquake, he would live happily with his parents at present.
2. All the cars driving in the o__________ direction had the headlights on.
3. Anyone trying to understand something will naturally compare it with other things to find s__________ and differences.
4. The police have warned the inhabitants not to bathe in the p__________   river.
5. H __________ , you won’t have problems after reading this.
6. That plane crash o__________ only minutes after take-off.
7. A terrifying hurricane s__________ the city and caused 10 deaths.
8. In order to survive, you must adapt to a changing e__________ .
9. A pond, m__________ 3 meters across, lies in the middle of our schoolyard.
10. There is an u__________ need for food and water.