2. 外语
  3. None of us knew how the change had come______.

None of us knew how the change had come______.

admin2019-05-02  45
问题 None of us knew how the change had come______.
选项 A、across
B、about
C、over
D、down
答案B
解析 本题考查短语辨析。come across表示“偶然遇到”，come about表示“发生”，come over表示“顺便拜访”，come down表示“下来，下落”。故选B。
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