Hello again. I have done this exercise but I'm not sure if it's correct. Can you help me? Thanks a lot.

Fill the gaps with suitable nouns:

A thorough knowledge of English is required.

It was an unforgettable experience/adventure.

The journey was a great adventure/experience.

She had a thrilling imagination/confidence/

It was a great pleasure/ experience to meet them.

He has a very vivid imagination.

The trip was an utter failure.

He has a great knowledge/love of music.

In this sentence She had a thrilling imagination/confidence/ , both words sound possible but just a little bit unusual, particularly 'confidence'.

All these other choices are fine.

Best wishes, Clive
Your question is unclear, I fear.

What gaps? Have you filled what were originally gaps with the emboldened words? In those that have two versions (e.g., imagination/confidence) are you looking for the best?

(Oops. Clive, I hadn't seen your post.)
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Thanks Clive.

And what about these ones?

The journey was a great success

She had a thrilling adventure /experience
Students: We have free audio pronunciation exercises.
oops Davket, sorry I hadn't seen your answer.

I am supposed to fill in the gaps in these sentences with suitable words (as many as possible) I've already written some, the underlined words in bold are my answers.
Are you working from a list?

The journey was a great (success/failure/experience/pleasure/adventure)--all possible.