1. They argued that the plan would damage the island’s __________(生态).
2. The first __________(版本) of this book now is worth 10,000 pounds.
3. I felt __________(内疚的) about not visiting my parents more often.
4. She made a(n) ____________(约会) for her son to see the doctor.
5. Camels can live without food or water for several days in the __________(沙漠).
6. He __________(指导) the man through the street to the railway station.
7. Can you __________(安排) for a car to collect them from the airport?
8. If so, your points of view are bound to __________(冲突) with his.
9. The Song Dynasty __________(贡献) three great inventions to word civilization.
10. He was __________(打败) at chess last night.
