根据句意和提示写出单词，完成句子

1. We should speak to the elderly ___________.(polite)

 2. His father looks ___________（ angry）at him because he told a lie again.

 3. In that traffic accident, twenty people died, ___________（include）three foreign visitors.

 4. Jack often plays tricks on his classmates and he is _________(welcome)

5. Now more and more _______( tour) come to visit Yancheng every year

 6. He heard shouts from ________( excite ) people

 7. Do you know the __________(important) of learning English?

8 It’s ______________ (不必要的) for us to eat too much for supper.

9 -----What’s the __________（天气） like today?   ---It’s sunny  

10. Mr Green is working very hard to improve his living ____________ (条件).

 11. Her __________ (到达) made us very excited.

 12. I don’t like __________ (有雾的) days. I can’t see anything clearly on the road.

 13. When it snows, the land is ___________ (覆盖) with snow.

 14. Many people were __________ (严重地) hurt in Tangshan earthquake.

 15. My brother has been a _________ (士兵) for 4 years.