1. Read and listen to the text. Write dates before the following statements.
(Đọc và nghe văn bản. Viết ngày trước các câu sau.)
………….. The world celebrated the 100th anniversary of the first heavier-than-air craft.
………….. The first airplane took off.
………….. Léon Delagrange became the first flight passenger.
………….. The first scheduled air service began.
1: 2003
2: December 17, 1903
3: 1908
4: January 1, 1914