Put the verbs in brackets into the past simple or the present perfect.
1. A: Do you know that man?
B: Oh yes. He's a very good friend of mine. I 1) ...'ve known... (know) him for about ten years.
A: I think I 2) … (meet) him at a business meeting last month.
2. A: Mum 1) … (lose) her purse.
B: Where 2) … (she/lose) it?
A: At the supermarket while she was shopping.
3. A: Who was on the telephone?
B: It 1) … (be) Jane.
A: Who is Jane?
B: Someone who 2) … (work) in my office for a few years. She's got a new job now, though.
4. A: Who is your favourite singer?
B: Freddie Mercury. He 1) … (have) a wonderful voice.
A: Yes, I agree. He 2) … (enjoy) performing live, too.

1) I've known him for about ten years.I think I met him....2) Mum lost her purse.Where did she lose it?3) It was Jane.Someone who worked in my office.....4)He had a wonderful voice.He was performing live too.