Final answer:
The missing words that complete the sentence are likely 'name it' or 'mention it', an English phrase used to confirm and emphasize that a person has been to all notable places. The context of traveling and self-exploration in Europe and Africa featured in the passages provides the backdrop for the affirmation.
Step-by-step explanation:
The missing word in the student's sentence is most likely 'name it' or 'mention it' which would be used to emphasize that if a place exists (in this case, any part of the world), the person (she) has indeed been there. This form of an expression is commonly used in the English language to reinforce and confirm a statement just made about someone's experiences or achievements.
Regarding the examples from the passages provided, activities like traveling to Europe and experiencing different cultures can broaden one's perspective, which is a central theme in the excerpts. Whether it's reflecting on the travels to Africa and Europe, or the poignant change in one's self-identification after an enlightening journey, such narratives illustrate the transformative power of travel and self-discovery.