Use the correct form of the words in the boxes to complete the sentences. ensure insure reassure make sure confirm 1... you the windows before you go. 2. I had to ring the airline to my flight 48 hours in advance. 3. You should... your car against fire and theft. 4. She...me that everything would go according to the plan. 5. The role of the judge is to proper legal proceedings

1. if i had a brother, he'd help me. 2. if i had envelopes, i'd give them to you. 3. if he had a strong character, he wouldn't act like that. 4. if she was in a good mood, she wouldn't be silent. 5. if this story was finally over, everyone would be very happy. 6. if anything had happened to them, they would have told us about it. 7. if the weather was good, we'd go out of town. 8. if i needed the help of a colleague of mine, i would have reached him on the phone. 9. if she preferred this person to everyone else, she would have told him about it. 10. if he asked her to go abroad, she would have agreed.

3) 1. лекции по современным добычи всегда посещали большое количество студентов и молодых ученых. 2. с 1880-х годов уголь широко используется для выработки электроэнергии. 3. в последние годы добыча угля получила большое развитие. 4. они завершат строительство глубокого туннеля к осени. 4) 1. когда емкость была увеличена, она превысила технологические пределы. 2. это месторождение было открыто в 1938 году. это глубокий пласт, содержащий большое количество угля. 3. необходимо было еще раз рассмотреть некоторые аспекты проблемы. 5) 1. нам сказали, что эксперименты с этим оборудованием были успешно завершены. 2. шахты и другие промышленные предприятия загрязняют воздух и воду, без которых мы не можем жить.