Paul does nothing but -- all day longA play B to play C playing D played 答案给的A为什么?

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Paul does nothing but -- all day longA play B to play C playing D played 答案给的A为什么?

Paul does nothing but -- all day longA play B to play C playing D played 答案给的A为什么?
Paul does nothing but -- all day long
A play B to play C playing D played 答案给的A为什么?

Paul does nothing but -- all day longA play B to play C playing D played 答案给的A为什么?
选A 这是个固定用法,当but 表示 除了 的时候,要“前do 后不to " 也就是说,如果前面出现实义动词do 的时候 ,后面的不定式要省略to ,所以用原形.又如:i have no choice but to leave.这里没有do 所以用 to leave.
记得采纳啊