用所给单词的正确形式填空。

1. Have you       (write)your poem?

2. The policeman saved the boy       (brave).

3. The       (warm) makes the trees green.

4. The room is too       (noise).

5. The boy is too       (sleep). He wants to go to bed.

6. The       (friend) between us will be for ever.

7. Please tell us your       (think).

8. The joke is       (fun). We all laugh.

9. Where is the       (happy)? It's in your own hands.

10. My mother was       (satisfy) with what I did.

世界各国企业认识到建立合理的研究开发机构的重要性始于（）。