用所给词的适当形式填空。

1. The exams are in July, but the ______ (actually) results don't appear until September.

2. It becomes warm _______ (gradual).

3. It is generally thought that traveling abroad can ______ (rich) one's knowledge.

4. He is poor at _______ (spell).

5. I'll speak with her _______ (late).

6. The _______ (identify) of the accident victims took some time.

7. He comes to visit me _______ (frequent).

8. He wrote her a poem as an _______ (express) of his love.

9. It is ______ (request) that all members be present at the party.

10. We've agreed on _______ (Spanish) for our holiday next year.