Gap Fill - Supersonic Jets - Level 1


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   class      decade      faster      hours      jets      modern      speed      supersonic      time      which  

Paragraph 1

There could be passenger planes this . Supersonic means than the speed of sound, is 1,234kph. United Airlines will buy 15 supersonic . The planes will fly up to 88 business passengers and have a top of 2,099kph. Most airplanes fly at around 1,000kph. The new planes will cut the it takes to fly from London to New York from around 7 1/2 hours to less than four .

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