Here are the completed sentences with the correct adverbs:
- I don't know anything about Berlin. I have never been to Germany.
- Mum, may I go out and play with friends? I have just done the washing up.
- A: Do you know where Jennifer is?
B: Yes, I have already seen her.
- Everyone has heard the bang. But nobody knows what has happened yet.
- My sister is still at university because she has decided to get her Master's degree.
- I have never gone to the dentist before. I'm feeling nervous.
- Have you ever been to Rome? The Colosseum is worth seeing.