3.Tom and his father are having the breakfast.（划线Tom and his father ）求助大侠
问题描述：
3.Tom and his father are having the breakfast.（划线Tom and his father ）
求助大侠
答
Who are having the breakfast?
答
Who is ……即可
(因为事先不知道是谁，可以用单数来问）
答
Who are having the breakfast？
答
Who is having the breakfast?
答
Who are having the breakfast?
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