Seeing a large crowd at the street corner，I became aware of unusual happening．
A. anything
B. something
C. everything
D. nothing
网友回答
A. anything
(答案→)B. something
C. everything
D. nothing
解析：考查不定代词：A．anything任何事，B．something某些事C．everything任何事D．nothing没有事情，拐角，我意识到不寻常的事情发生了。选B。