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Four years quite a long time to develop Transrapid train.
Nine hundred dollars been spent for a single high-speed rail system.
Twenty-five meters wide enough to accommodate seventy-five passengers on a suspended train.
Five years to develop an electrodynamic magnetic levitation system simply unbelievable.
Three hours all it takes to complete a train's travel from Paris to Brussels.
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Click on the verb that agrees with the subject in each sentence.
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