1.What is clean when it is black and dirty when it is white?
2.Which letter is a drink?
3.Teachers write on me with chalk. I can't talk .What am I?939Please respect copyright.ＰＥＮＡＮＡL60Am7gTCD
4.When do 2 and 2 make more than 4?939Please respect copyright.ＰＥＮＡＮＡdCH0vrnNw8
939Please respect copyright.ＰＥＮＡＮＡMatq4r5NHH
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