They couldn't wait to share their favorite parts with each other.
Meaning: This sentence tells us that the friends were eager to tell each other about the parts of the story they liked the most.
Choice of Words: Couldn't means to be unable to do something. Wait means to stay in one place until something happens. Share means to give or let someone have part of something. Favorite means something that is liked best. Parts means pieces or sections of something.
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Related Expressions