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.
