1. 结合语境，根据汉语或首字母提示用单词的适当形式填空。

1. （1） I think a cold drink can (使恢复) you after your long hot journey.
3. （2） Such (随便的) dress would not be correct for a formal occasion.
5. （3） A series of activities have shown the company's(承诺) to creating more job opportunities.
   
7. （4） The (生长) of different plants needs different conditions.
9. （5） Young people have made a great (贡献) to China's economic development.
   
11. （6） Twenty­ five thousand deaths per year are caused by air (污染).
13. （7） We wish for freedom, but cannot (提倡) the use of violence.
15. （8） I know I can trust her in any (情况).