1. "we are going to have dinner", my mother said to me. - his mother said to him that they were going to have dinner. 2. "she has made great progress in her english", her teacher said. - her said that she had made great progress in her english. 3. "i will be glad to help you, don't mind", joe said to polly. - joe said to polly that she would be glad to help her, didn't mind. 4. "we are playing a boring game", his children said.- his children said that they were playing a boring game. 5. robert said: "nobody has mentioned about it". - robert said that nobody had mentioned about it. 6. "i can't stay here", he said. - he said that he couldn't stay here. 7. "as soon as you see him, give him my telephone number", henry said to me. - henry said to me that as soon as he saw him, gave him his telephone number. 8. "i'll just step out the door for a minute", julia said. - julia said that she would just step out the door for a minute. 9. "be a good boy and be careful", his father said. - his father said that he was a good boy and was careful. 10. "if i go back my parents will not let me go out", the boy said to his friends.- the boy said to his friends that if he went back his parents would not let him go out. 11. "i think you don't know anything about it", victor said. - victor said that he thought him didn't know anything about it.
ответ:1. Ученый объяснил принципы исследования этого явления в
пространстве.
2. Детям были объяснены правила уличного движения.
3. Менеджер спросил меня о моей предыдущей работе.
4. Всем студентам было задано много вопросов о своей практических тренировках (повторениях)
5. Ученые исследовали рентгеновское излучение.
6. Рентгеновское излучение от таинственных источников в космосе было замечено давно и исследуется уже много лет.
7. В лаборатории был разработан усовершенствованный телефонный аппарат.
8. В этом году было разработано новое устройство для связи.
9. Развитие цифровых технологий дало нам новые возможности
возможности.
10. Нам выдали новое оборудование.
11. Мои бабушка и дедушка покинули свою деревню еще до войны.
12. Дом был оставлен, внутри никого нет.
13. Я видел этих людей еще до того, как они переоделись.
14. Многие люди видели, как они сажали деревья.
Объяснение: ну вроде так, немного пользовался переводчиком и исправил недочеты