the boy (watch)tv all morning 括号里面怎摸变形式 the question is enough for a( ) to answer

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the boy (watch)tv all morning 括号里面怎摸变形式 the question is enough for a( ) to answer

the boy (watch)tv all morning 括号里面怎摸变形式 the question is enough for a( ) to answer
the boy (watch)tv all morning 括号里面怎摸变形式 the question is enough for a( ) to answer

the boy (watch)tv all morning 括号里面怎摸变形式 the question is enough for a( ) to answer
has been watching

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has been watching