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МатематикаВопрос:
15. We understood at once that this control work (to be) a difficult one.
Ответ:
Решение:
Глагол be ставим в Past Perfect, так как он описывает состояние (была сложной) в прошлом, которое было понято в тот момент.
We understood at once that this control work had been a difficult one.
Похожие
- 1. I did not know that you already (to read) this book
- 2. He did it better than we (to expect).
- 3. He said that the bus (to be) here soon.
- 4. He told us that he (to do) this work himself
- 5. They decided that they (to bring) us all the books we need.
- 6. He said that he (can) not do it without my help.
- 7. I decided that next year I (to go) to the Black Sea coast.
- 8. It was decided that we (to begin) our work at eight o'clock.
- 9. I told them that I (to leave) for Minsk next day.
- 10. The boy did not know that he already (to receive) a good mark.
- 11. The students wanted to know when they (to pass) their examinations.
- 12. We saw that our teacher just to go out) and he (to come back) soon.
- 13. He said we (may) keep the books as long as we (to like).
- 14. We knew that he not (to be able) to make his work in time and (to decide) to help him.
