сделайте упражнение 1(1-7 предложения)
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listen, ivan singing in the room.

he doesn't see that i look at it, as he reads something with a great interest.

call him now. i think that he doesn't sleep yet.

look at the person who sits at a window. he/she is our lawyer.

1) мы знаем, что он работает над проблемами в области космической связи.(его работа связана с проблемами).

2) если вы сделаете даже малейшую ошибку в компьютерном языке, разговор ломается и вы должны идти в начало.( наверное, имеется ввиду, ошибка в алгоритме, программа рушится и надо начинать сначала? )

3) читальный зал библиотеки конгресса - это огромная коллекция справочников.

10.00   - it's ten o'clock10.40   -  it's twenty to eleven 10.10   -  it's ten past ten 11.20   -  it's twenty past eleven 10.20   -  it's twenty past ten 10.45   -  it's quarter to eleven 10.25   -  it's twenty-five past ten   9.45   -  it's quarter to ten   9.35   -  it's twenty-five to ten 10.50   -  it's ten to eleven 10.30   -  it's half past ten 11.10   -  it's ten past eleven

1. bananas are grown in africa (by them).

2. 30 people was invited (by him).

3. this church was built by the architect in 1957.

4. the thief has been arrested (by the policeman).

5. a new library will be opened (by the queen).

6. an ufo was seen by some people in the sky above london last night.

7. a lot of questions will be asked to you by them at the interview.