My brother __ down while he __ his bicycle and hurt himself.A fel_英语解答

My brother __ down while he __ his bicycle and hurt himself.
A fell ,was riding B fell ,were riding
C had fallen ,rode D had fallen ,was riding

人气：423 ℃　时间：2020-03-25 21:50:36

解答

My brother fell__ down while he was riding__ his bicycle and hurt himself.
答案是A.
我的哥哥在骑车时摔了,并且受伤了.
HERT 和FELL都是一般过去式,WHILE 后用过去进行时WAS RIDING...