1)Every day students go to lyceum.2)Vacation starts in a week.3)Ten years ago he studied at school.4)He won't learn at the University next year.5) These students sometimes do not attend lessons.6)They were not walking in the park last Sunday.7)Does he usually drink coffee in the morning?8)Has she bought bread?9)Will you answer the questions?10)What were they doing yesterday?11)Essays about holidays are always written by students with great interest.12)Many years ago, this fortress was restored.13)The embankment will be extended in a year.14)Yesterday, the letter was not written by her.15)Sometimes the lectures are not attende by him.16)This exam will not be taken by him.17)Do you usually meet each other on Sundays?18)Were your new friends introduced to your parents?19)Will this church be restored next year?20)How is the Don river often referred to?