They would fly ______ from the south,where they spend the winter.A up B down C upside选 C
问题描述：
They would fly ______ from the south,where they spend the winter.A up B down C upside选 C
这是一道完形填空题中的一个句子.they 说的是知更鸟.
答
a是正确选项,翻译为：他们从他们渡过冬天的南方飞来fly up from从某地方飞来,