Sophie went to see her uncle once in a blue moon.()

A.very
B.unexpectedly
C.very
C.once

【参考答案】

C
解析：本句参考译文：苏菲只是偶尔去看望她叔叔。【知识点来源：Unit 4】本题考查英语颜色词的联想意义。习语......

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