问题描述：
(2/4) he would do.He held up one of his finger and dipped it into a cup with a mixture.Then he t...
(2/4) he would do.He held up one of his finger and dipped it into a cup with a mixture.Then he took it out the cup and put a finger in his mouth and suck it w
(2/4) he would do.He held up one of his finger and dipped it into a cup with a mixture.Then he took it out the cup and put a finger in his mouth and suck it w
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