2. After saying “ Good-bye ”, they all went off s__________.　　　　　 　　　　　　2____________

1. We should take some measures to prevent the river from being further p________.　 1____________

6.separated　 7.visited　　　　 8.speaking　　　 9.rare　 10.reasonable

10.Our rice is very ________(合情合理), you can depend on us.　　　　 　　　　　10.____________

Keys: 1.sheep　　　 2.Poverty　　　 3.shabby　　　 4.sacrifice　　　 5.tired

9. It’s very ________(稀罕的) for him to be late for school.　 　　　　　　　　　　9.____________

8. The teacher asked the students to practise ________(说) English　 every day.　　　 8.____________

7. Millions of people from all over the world have ________(参观) the Great Wall.　　 7.____________

6. A fence at the back of the garden ________(分开) us from the neighbors 　　　　　6.____________

5. Mary is so ________(累) that she can’t go with us.　　　　　　　　　 　　　　　5.____________

4. We have decided to________(牺牲) a trip for a new car .　　　　　　　　　　 　　4.____________