Read the text and answer the questions.

• Группы
  • When did the idea of the first hot-air ballon appear?
  • Who came up with the idea of the first hot-air ballon?
  • Who invented the first hot-air ballon?
  • When was the first flight?
  • When was the first flight with human passengers?
• Варианты
  • In 1777
  • Joseph Montgolfier
  • The Montgolfier brothers
  • In September, 1783
  • In November, 1783