1. After the war, the city lay in r________________.
2. The i________________ are being sent to hospital after the accident.
3. The ruin of large numbers of rainforest plants must d________________ the ecological(生态的) balance.
4. What really s________________ me was that no one seemed to care about all the beggars.
5. After the Wenchuan Earthquake, thousands of soldiers were sent to help the r________________ workers.
6. The girl was sitting on the bench in the park, b________________ her head in the book in her hands.
7. The elevator broke down and we were t________________ inside it.
8. It's u________________ talking with William, because he won't change his decision.
9. Haven't you realized the d________________ those chemicals are doing to our environment?
10. He can e________________ himself in good clear English now after four years' hard learning.
11. The girl was f________________ at the sight of the snake.
12. Hurricane, flood and earthquake are called natural d________________.