用所给单词的正确形式填空。
6. Would you like to ask Mr. Hu for some ____________?（建议）
7. I think diving is more _____________ than skating.（令人兴奋的）
8. Why do you look so _____________? Can I help you?  (紧张)
9. You must know that different people have different _______________(能力).
10. Do you think what he said is ____________? (真实的)