1. She ___ (visit) Paris last summer.

Bonne réponse : visited

Bravo. 'Last summer' indique un moment passé précis, donc prétérit.

2. I ___ (never / be) to London.

Bonne réponse : have never been

Exact. 'Never' = expérience, donc present perfect.

3. They ___ (finish) their homework yet?

Bonne réponse : Have they finished

Bien vu. 'Yet' = mot-clé du present perfect (question).

4. He ___ (break) his leg two days ago.

Bonne réponse : broke

Correct. 'Two days ago' = moment précis, donc prétérit.

5. We ___ (know) each other for five years.

Bonne réponse : have known

Tout juste. 'For five years' = durée jusqu'à maintenant, present perfect.

6. My sister ___ (buy) a new phone yesterday.

Bonne réponse : bought

Parfait. 'Yesterday' = passé précis, prétérit.

7. ___ you ever ___ (eat) sushi?

Bonne réponse : Have ... eaten

Exact. 'Ever' = expérience, present perfect.

8. She ___ (already / finish) her book.

Bonne réponse : has already finished

Bien vu. 'Already' = mot-clé du present perfect.

9. They ___ (not / see) that film last week.

Bonne réponse : didn't see

Correct. 'Last week' = moment précis, prétérit.

10. I ___ (live) in this town since 2015.

Bonne réponse : have lived

Bravo. 'Since 2015' = point de départ dans le passé qui continue, present perfect.