It will be casting pearls before ______ because he does not know how to apprecia

游客2024-09-02 55

问题 It will be casting pearls before ______ because he does not know how to appreciate favors.

选项 A、cow
B、swine
C、dog
D、sheep

答案 B

解析 cast pearls before swine是固定搭配，表示“明珠暗投；对牛弹琴”，故选B项。

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