Tag Archives: english class 8 unit 9 lesson 5 page 123

Class 8 English Unit 9 Lesson 5 Future Aircraft: The Falcon Hypersonic Technology Vehicle-2 (Falcon HTV-2) is the fastest plane ever built by human beings. It would fly from London to Sydney in less than an hour. Supersonic Concorde, by the way, could not fly at such a great speed. …

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