根据句子意思，用括号中所给词的正确形式填空，每空一词。

1. Audrey Hepburn's great ________ (achieve) is to be a humanitarian.

2. Although she is not a beauty, many people find her ________ (attract).

3. She is an _________ (experience) teacher. Her classes are always lively and interesting.

4. We must work __________ (close) with rich countries to improve our environment.

5. Here's a list of the most famous _________ (direct) names.