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?
1 a 2 b 3 b 4 b ( возможен и вариант а)