My brother while he his bicycle and hurt himself. [ ] A.fell, was riding B.fell,
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![My brother while he his bicycle and hurt himself. [ ] A.fell, was riding B.fell,](/pic/43_765893.jpg)
My brother ________ while he ________ his bicycle and hurt himself.
[]A.fell, was riding
B.fell, were riding
C.had fallen, rode
D.had fallen, was riding
试题答案
答案:A