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get on a plane quicker
you can type quicker if you practice more
The word 'quicker' is the comparative form of the adjective 'quick' (quicker, quickest). Example sentence:
The quicker bird grabbed the bread crust while the other squawked in protest.
if your recovery time is quicker and your friend then your fitter than him
the quicker the recovery time the fitter
Yes, much quicker.