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

游客2023-10-24  10

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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