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A. James Watt used the power of steam to drive machines. B. _____________________. C. His invention was used later by other clever men to give us the railway engine.

  • A.The jet engine is relatively more recent
  • B.Then, many years later, the petrol engine was invented
  • C.With petrol engines people were able to build motor cars and aeroplanes
  • D.These provided quicker means of travelling

Answer: B

Correct answer: Then, many years later, the petrol engine was invented

C says his invention was used later by other clever men, so B must keep the focus on later inventions built on Watt's work. Then, many years later supplies exactly that step. The options about motor cars, aeroplanes and jets jump past the railway engine that C is about to introduce.

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