Помогите плииииз! Choose the correct words.

1. He's never/ever been to a book fair before.
2. I have known Julia for/since seven years.
3. The parade has yet/just started.
4. Have you never/ever celebrated Hogmanay?
5. We have attended the festival every year for/since 2003.
6. They haven't served snacks yet/already.
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