there is nothing to do but to do 还是there is nothing to do but do

题目

there is nothing to do but to do 还是there is nothing to do but do

答案

应该是there is nothing to do but do这个吧
but前面出现的是不定式,but在这里应该是引导并列结构,所以后面用去掉to 的不定式,也就是动词原形
含义是“除了做……之外,……都做不了”
nothing but 后面接名词或者代词,含义是“除了……之外,……都没有”
but的用法是相同的