Помогите пожалуйста, по английскому языку, за хороший ответ дам лучший ответ и отблагодарю!

1. B: I have left 
2. A: Have you ever been
    B: Yes, I have. I have been there twice.
    A: When was you there?
    B: ... I was there in 1998
3. A: ...have drunk
    B: bought
4. A: They have sold
    B: When did they do that?
5. A: Have you found ...?
   B: Yes i have. I found it...