People need transportation to move from one place to another. As time went by, transportation methods improved. Especially after the invention of airplanes, they made travel more convenient and     1     (easy).

The airplane     2     (invent) by Orville and Wilbur Wright in 1903.     3     first airplane, Wright Flyer I, flew 36.5 meters in 12 seconds. After that, the two brothers kept     4     (improve) their airplanes. They     5     (fly) in public in France in 1908, and started taking passengers with them. From then on, many other people made great efforts to improve and develop airplanes. Thanks to their efforts, airplane technology developed     6     (extreme) fast.

Today, airplanes have many different     7     (apply). People can use airplanes to travel to other countries, send urgent mails and help people in danger. They use airplanes to send water, food, medicine, etc. to cities     8     urgent (紧急的）help is needed. However, airplanes are not only used in positive ways,     9     they are also used to fight wars.

Many things     10     (change) since the invention of the airplane. Airplanes have made travel or transport faster. Airplanes have really changed our lives.