Bob likes 　　1　　 with clay（膠泥）every day．He can 　　2　　 many animals like a bird,a dog,a cat 　　3　　 a pig．They are very nice,　　4　　 Bob often forgets（忘記）to wash his hands．

　　One day,he wants 　　5　　 his dinner．His mother takes one of his hands and 　　6　　,“This hand is the dirtiest（最臟的）　　7　　 the world We 　　8　　 find another dirty 　　9　　 like this．”Bob opens 　　10　　 hand and says,“You can find it here now．”

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