Ответ:

1. Anya isn’t studying at the moment.

2. This book belongs to Sally.

3. I didn’t know you could speak Russian.

4. Do you like my new jacket?

5. We weren’t talking about you.

6. I’m not happy about this.

7. I’m not speaking to my sister at the moment.

8. I met Andressa while we were studying at university.

9. They don’t like their new house very much.

10. What were you talking about when I came in?