2. It is a pity that you will be so busy in the evening and cannot help me.
3. What would you do if a building started a fire?
4. If not for his work, he would be able to become your guide in St. Petersburg with pleasure.
5. I do not like skiing, otherwise I am. perhaps the countryside would have traveled with you on such a wonderful winter day.
6. It is a pity that you then did not understand how wrong you were.
7. You won’t understand anything if you don’t listen to me carefully.
8. If I knew that you were at home last night, I would have rushed to you for a moment to chat and have a cup of tea.
9. If he had been even a little wiser, he would not have squandered his entire fortune by gambling.
10. I did not blame him. In his place, I would do the same.
да
Объяснение:
Изучение Африки европейцами — изучение Африки европейскими путешественниками. Знакомство европейцев с Африкой началось ещё в античности. Античные путешественники изучали Северную Африку; при этом собственно Африкой или Ливией считали континент за пределами Египта, который считался частью Азии. Исследования Африки южнее Сахары активно продолжились в эпоху географических открытий (начиная с XV в.). Основную роль играли португальские мореплаватели: так, Бартоломео Диас в 1488 году достиг Мыса Доброй Надежды, открыв морской путь в Индию и на Дальний восток. При этом знакомство с внутренней частью континента в XVI, XVII и первой половине XVIII вв. оставалось незначительным: основную роль в нём играли работорговцы. В начале XIX в. сведения европейцев об Африке южнее Сахары оставались незначительными. Исследования Южной Африки активно продолжались в 1830-1840 годах, и активно развивались во второй половине XIX вв. во время колониального дележа континента. Большую роль в этом процессе играли поиски истоков Нила.
2. He didn`t know, who had sent him this card.
3. Sister told me that she had seen an interesting film.
4. He opened his eyes and saw that the Sun had already risen.
5. The patient had died before the doctor saw him.
6. Where had she studied before she came to our office?
7. I finished translating the article before 7 o`clock.
8. He didn`t notice that he had forgotten his watch.
9. We didn`t know that she had phoned lately.
10. My niece was happy to get such a nice present.