Решение:
Заполняем пропуски глаголами в Past Simple, используя список данных глаголов.
- learned — David Livingstone was a Scottish doctor. He learned African languages...
- discovered — He discovered the slave trade...
- received — In 1843 Livingstone received a lion but, before it died, it almost destroyed his left arm.
- became — He also became 'quinine' – a medicine which was good against malaria.
- disappeared — Livingstone disappeared, a gold medal for crossing Africa from west to east.
- explored — While he was exploring, Livingstone explored for months.
- became — He became a good friend of Livingstone's and they travelled together to Lake Tanganyika in 1872.
- carried — When Livingstone died in 1873, his followers carried his body 2,500 kilometres to the coast.
Ответ: 1. learned; 2. discovered; 3. received; 4. became; 5. disappeared; 6. explored; 7. became; 8. carried.