Here are the correct forms of the words in brackets:

1. Dressing **fashionably** can help you feel self-confident in public (fashion).
2. The candidate walked away **disappointed** after he had failed to answer the examiner's question (disappoint).
3. The **announcement** of her marriage appeared in some local newspapers (announce).
4. In the oral examination, **candidates** have to answer six questions (examine).
5. They had a lot of difficulty in **designing** a wedding dress with shells (design).
6. The teacher asked her to **distinguish** two different meanings of the word "realize" (distint).
7. The air is seriously **polluted** by exhaust fumes from cars (pollute).
8. The UK is a **culturally** diverse society, with people from all over the world living there (culture).