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Subject :IEO    Class : Class 3

Read the passage and answer the questions that follow.
The Flyer made by two American brothers, Wilbur and Orville Wright, was the first aircraft to make steady flight in 1903. By 1907, the Wright flyer could stay in air for up to 45 minutes.
The Handley Page HP 42 - It was built in 1930. It flew mainly on the European routes. The fuel used was hydrogen and it could explode very easily, resulting in many crashes.
Bleriot XI 1909 - The monoplane designed by Luis Bleriot became world famous on 15 July 1909, as the first aeroplane to fly across the English Channel.
After World War II, commercial aircrafts using various types of jet engines were produced. The first Jumbo Jet, the Boeing 747, that could carry more than 400 passengers over long distance was built by Boeing company around 1968-70.
Many big cities in the world, like London, Paris, Moscow, New York, Tokyo, Mumbai, etc., have large international airports. In India many cities are connected by air. Most of the domestic traffic in India is controlled by Indian Airlines.

Commercial aircrafts were produced using after World War II.

Aair services
Cjet engines

There is no space for kids to understand where is blank.. to be filled from the choices given

Ans 1:

Class : Class 3
Space will be there after 'using'.Answer will be :C.

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