Раскройте скобки, употребляя present perfect или past simple: 1.a doctor just (come) to the hospital. 2.a doctor (come) to the hospital 10 minutes ago 3.a patient (talk) about his health with a doctor and now he is very upset. 4.a doctor (examine) the patient, (give) him some recommendations and (prescribe) pills. 5.he never (be) to london in his life. but last summerhe (go) to manchester. 6.i lost my key last month.i can't open the door. i (lose) my key. 7.(be) youever to australia& no,i never (be) to australia 8.this year he (not visit) his pfrents 9. this month we (a new car. 10. we (know) each other since 1995. we (meet) firstly, when we (enter) the university

1.A doctor has just come to the hospital. 
2.A doctor came to the hospital 10 minutes ago 
3.A patient has talked about his health with a doctor and now he is very upset. 
4.A doctor has examined the patient, given him some recommendations and prescribed pills. 
5.He has never been to London in his life. But last summer he went to Manchester. 
6.I lost my key last month.I can't open the door. I have lost my key. 
7. Have you ever been to Australia? No,I have never been to Australia 
8.This year he has not visited his parents
9. This month we have bought a new car. 
10. We have known each other since 1995. We met firstly, when we entered the University