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Jack's father is ill. His mother does all the housework and she goes to buy some medicine for his father. She is very ________. Now Jack's ________ is cleaning the house. She needs some water. She ________ Jack to get some for ________. At the moment, Jack is ________ a book in his bedroom.

“Jack!” his mother finally comes to him and says. “________ don't you answer me?” Then she sees some cotton(棉花) ________ Jack's right ear. She ________ it out and asks,“Why are you doing that?”

“You often tell me that your words go into my left ear and out of my right one. So I want to stop it.”