1.  短语填空

take action, die out, be at risk, do one's part, have a role, in short, due to, up to, depend on, wipe out

1. （1） In the past decade, the administration hasn't in environmental conservation.
3. （2） What we can do now is to reduce pollution.
5. （3） As a member of the international society, we to play.
7. （4） The old traditions are .
9. （5） Only in this way can we the enemy troops.
11. （6） The drivers were more likely to break the speed limit and of getting fined.
13. （7） All the flights were put off the bad weather.
15. （8） The government will make accommodations for three thousand people.
17. （9） Friendship means having someone I can .
19. （10） , he was happy with that result.