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He goes to school _______ his bike every day.
A．in B．by C．at D．on
He goes to school by bike, but he walks ________ after school.
A. to home B. his home C. home D. the home
He goes to school his bike.
A. by B. in C. with D. on
He goes to school _______,but sometimes _______ a bus.
A on foot, takes B on foot, buy C by a bike, by D by a car, by