when we passed by its nest.
A. Up into the blue sky did the bird fly
B. Up into the blue sky flew the bird
C. Up into the blue sky the bird flew
D. Flew up into the blue sky the bird
网友回答
A. Up into the blue sky did the bird fly
(答案→)B. Up into the blue sky flew the bird
C. Up into the blue sky the bird flew
D. Flew up into the blue sky the bird
解析：句意：当我们经过鸟巢的时候，鸟飞到天空上了。方位副词up，down，in，away，off等放在句首，而且主语是名词的时候，句子用完全倒装，这句话是Up into the blue sky放在句首，谓语动词flew放在主语the bird前面，选B。