1) I have to exchange our tickets. 2) I had to exchange our tickets. 3) I have to exchange our tickets. 4) I have to exchange our tickets a day from two to three in the afternoon. 5) The police must win public confidence. 6) Yesterday we had to go on a business trip. 7) The plane was supposed to take off on schedule. 8) We will have to spend the night at the airport. 9) No one must know of my secret. 11) No one had to know my secret. 12) We were supposed to meet at noon yesterday, but we have not met. 13) Our colleague is not necessary to speak at tomorrow's conference. 14) Our colleague was supposed to produce a report, but he did not have to act in the negotiations. 15) Our partners must inform us of their decision tomorrow.
Объяснение:
hello mother! how are you? i spend my time very good here.
hi dear! i am glad that you like Moscow. what do you have time to watch?
I have already been to the Tretyakov galeree.there is very interesting. but i have not seen the Kremlin yet.
what are you still doing?
well, I was walking around the Gorky Park the day before yesterday, and yesterday afternoon I was watching a football match in Luzhnikah..I really liked it!
very good! what do you think about their food?
i have tasted Russian food and i like it very much.especially soup and pies with cabbage
what are your plans for the remaining days of vacation?
Of course I want to go to the Kremlin! And I did not buy souvenirs, so I want to go to Arbat.there a lot of interesting things you can buy.
well, that is nice! have a good rest!
thank you mother. see you