9. 10. 11. 12. 13. 14. 15.

7.___________________________ 8._______________________________

5.___________________________ 6. ______________________________

3. ___________________________ 4.______________________________

1.___________________________　 2. _____________________________

3. 4. 5. 6. 7. 8.

5. go camping

2

i

3. silence–silent -- silently

4, keep quiet = keep silent

2. use --- useful / useless

1. know the meaning of the 20 signs.