Раскройте скобки, употребляя глаголы в Present Perfect. 1. I don39;t know

Раскройте скобки, употребляя глаголы в Present Perfect. 1. I don39;t know this girl. I never (to meet) her before. 2. quot;Where is mother?quot; - quot;She just (to go) out.quot; 3. quot;Don39;t you know what the film is about?quot; - quot;No, I (not/to see) it.quot; 4. quot;Don39;t worry about the letter. I already (to post) it.quot; 5. quot;Is he a good teacher?quot; - quot; Oh, yes. He (to help) me a lot.quot; 6. He knows London perfectly well. He (to be) there several times. 7. I cannot find my umbrella. I think someone (to take) it by mistake. 8. quot;Do you speak Spanish?quot; - quot;No. I never (to study) it.quot; 9. quot;Do you know, where they have gone?quot; - quot;No. They (to sell) their house and (not/leave) their new address.quot;