Coucou!
Voici ce que je te propose:
3. Did they ever visit San Francisco? (they/ever/visit)
4. She started to work in this factory 2 weeks after it opened. (start)
5. Peter and Mary have known each other since 1999. (know)
6. Twenty people died in the accident, it's a tragedy. (die)
7. We had turkey at the canteen the day before yesterday. (have)
8. I lived in London for 2 years but I came back to France in 2014. (live/come back)
9. Sandra lost her bag, she can't pay for her return ticket now. (lose)
10. My mother have known her best friend for years (know).
J'espère que ça te sera utile!
Bonne journée, tu gères ; )
Lou-Anne