问题描述：
have,they,many,clubs,sports(连词成句)
Is Jack your brother?（作肯定回答）My keys are on the sofa.（on the sofa是画线的：对划线部分提问）My father has a volleyball.（改为一般疑问句）
Is Jack your brother?（作肯定回答）My keys are on the sofa.（on the sofa是画线的：对划线部分提问）My father has a volleyball.（改为一般疑问句）
问题解答：
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