根据句意及首字母、汉语和音标提示在下面的空格中填上一个意思恰当的词。

1. China, with an area of 9.6 million square kilometers, is a______ seventeen times the size of France.

2. It's a pity that you [mist] ______ the chance to study abroad.

3. Oct. l1 is our ______ Day and we always hold celebrations of all kinds on the day.

4. The old man told us his e______ in the Long Match.

5. To work hard is the only way to win [ri'sptke] ______ from one's workmates.

6. Mr. Li, i_______ his students, is going to visit the Great Wall tomorrow.

7. The task is a bit _______ (富有挑战性的) because it calls for a good master of English.

8. They have decided to [step] _______ up the production to meet the increased demand.

9. She greeted her friend e_______ and kissed her.

10. Some 200 students attended the opening _______ (仪式).