Перепишите предложения, раскрывая скобки в Present Perfect Active.
1. I don't know this girl. I never (meet) her before.
2. "Where is Mother?"-"She just (go) out.
3. "Don't you know what the film is about?"-"No, I (not / see) it.
4. Don't worry about the letter. I already (post) it.
5. "Is he a good teacher?"-"Oh yes, he (help) me a lot."
6. I know London perfectly well. I (be) there several times.
7. I can't find my umbrella. I think, somebody (take) it by mistake.
8. "Do you speak Spanish?"-"No, I never (study) it.
9. "Do you know where they have gone?"-"No, they (sell) their house and (not / leave) their new address."