Present Perfect past simple present perfect continious

Привет! Давай вместе заполним пропущенные части предложений, используя Present Perfect, Past Simple или Present Perfect Continuous.

1. They have just bought a new flat.
2. I have been reading this book all day long.
3. Yesterday they were at the swimming pool. The children had a fun time.
4. How long has Bob worked at the hospital?
5. Emma hasn't graduated yet; she's in her final year at college.
6. When I came to give the book back, there was nobody in the house.
7. She has lived without money since 2009.
8. We have never been to the opera before.
9. My friend showed me his pictures 2 days ago.
10. -My brother and his family have moved to Canada. -Wow! Have you visited them yet?

Уверен, если ты запомнишь схему использования времен, с подобными упражнениями будешь справляться на ура! Если понадобится помощь или объяснение - я здесь.