A) показателем 3-го лица единственного числа глагола в presentindefinite; b) показателем притяжательного падежа имени существительного; c) признаком множественного числа имени существительного. this company now developsproducts for hewlett packard. at present the team of our firm consists of professional auditors, consultants and experts. the state is a system of official institutions and organs. john completely forgot his friend’s warning. it also builds partnerships with other organisations that support such activities. she presents the journalist’s material as the evidence.

1) My friend and I have been to the History Museum many times lately.

2) My classmates decided to have a party the other day.

3) When did you see Jack last?

4) We have never paid so much money for a souvenir.

5) Mum has just finished cooking, we can have dinner now.

6) You have done the classroom very well today. Thank you very much.

7) We had a very beautiful Christmas tree last year.

8) Lisa is eating her favourite chocolate cake just now.

9) I met Mr Jackson in the food shop a minute ago.

10) Have you ever spoken English to a foreigner?

Объяснение:

1 I haven't had lunch today, but I had a good breakfast and I'm not hungry yet. 2. Why has Peter not come to us for a long time? I'm afraid he is ill. “No, I met him the other day, so I don’t think anything happened to him. 3. Where did you meet her? - It happened in Crimea. 4. I have a headache today, I slept badly. 5. Where is my notebook? I remember putting it on the desk. 6. Where is the key? “I think you lost him on the bus.

7. All this interesting information I learned (learn) today at the lecture. 8. At the police station (station) he immediately told everything. 9. Byron never finished his last poem. 10. Do they have a piano in their apartment? “I don’t know, I didn’t see the piano there. 11. Do you know how many operas Mozart wrote? 12. Sorry that I offended you (offend) at that evening. - Yes, I already forgot everything.