Question

My brother _____  to the ground while ____  his bicycle and hurt his leg .

A． falls; is he riding	B． fell; he was riding
C． fall; he is riding	D． felt; was he riding

Answer 1

B

试题分析：句意：我哥哥骑自行车时摔到地上摔伤了腿。while后跟过去进行时，此处主句用过去时，fall的过去式是fell，故选B。