It is a lesson in a primary school. The teacher ... (to give) her class a lecture on mottoes (gesis She ... (to write) a motto «It is better to give than to receive» on the blackboard. «Pupils, remember this motto», she ... (to say). At this moment a small boy ... (to cry) out, «Yes, Miss, my father always ... (to say) that he ... (to use) this motto in his work». «How noble of him! What is your father?» «He is a boxer, Miss».

1.gives
2.?
3.writes
4.says
5.cries
6.says
7.uses

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.