Пишу только то, что исправить 1. Books 2. Rooms (артикль "а" убрать) 3. Friends 4. Computers are ("a" тоже убрать) 5. These difficulties 6. Немного странное предложение, что они хотели сказать под "a Ukrainian", если человек то The Ukrainians are, но к чему там musical не понятно тогда.
Are Tom and Sally coming for dinner?
1) new technologies
2) social network to have friends
3) people used books for have knowledge instead internet
4) internet
5)internet
6)internet
Where was Nick at three o'clock? Nick was at the theatre. where was Nina at seven o'clock? Nina was at home. Where were my friends at twelve? They were at school
1. If you give me your address, I shall write you a letter.
2. I should be very glad if he came to my place.
3. If he did not live in St. Petersburg, we would not meet so often.
4. You will never finish your work, if you waste your time like this.
5. Your brother would become much stronger if he took cold baths regularly.
6. If she asked me yesterday, I should certainly have told her all about it.
7. If he is not very busy, he will agree to go to the museum with us.
8. If it rains, we shall have to stay at home.