Fill in the blank with the most appropriate word.

______! What a frightening experience it was!

Oh

Oh! What a frightening experience it was!

Explanation:

• Oh: This interjection is used to express a range of emotions, including surprise, admiration, or disappointment. In this context, it's used to convey the speaker's astonishment or shock at the frightening experience.

• Bravo: This interjection is used to express approval or admiration, typically in response to an accomplishment. It doesn't fit the context of a frightening experience.

• Alas: This interjection is used to express sorrow, regret, or pity. It doesn't fit the context of describing a frightening experience.

• Hurray: This interjection is used to express excitement, joy, or victory. It doesn't fit the context of a frightening experience either.