题目内容
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 |
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。
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