高三英语单选题17People cannot but ( ) puzzled,for they simply cannot understand how he could have made such a stupid mistake.A.feel B.to feel为什么选A不选B呢,不是but前面有do才能省不定式的to吗?

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高三英语单选题17People cannot but ( ) puzzled,for they simply cannot understand how he could have made such a stupid mistake.A.feel B.to feel为什么选A不选B呢,不是but前面有do才能省不定式的to吗?

高三英语单选题17People cannot but ( ) puzzled,for they simply cannot understand how he could have made such a stupid mistake.A.feel B.to feel为什么选A不选B呢,不是but前面有do才能省不定式的to吗?
高三英语单选题17
People cannot but ( ) puzzled,for they simply cannot understand how he could have made such a stupid mistake.
A.feel B.to feel
为什么选A不选B呢,不是but前面有do才能省不定式的to吗?

高三英语单选题17People cannot but ( ) puzzled,for they simply cannot understand how he could have made such a stupid mistake.A.feel B.to feel为什么选A不选B呢,不是but前面有do才能省不定式的to吗?
do省略了
cannot (do) but to

can't but do 固定搭配

hustren2正确。
cannot but的意思和用法,可参考 http://www.baidu.com/s?lm=0&si=&rn=10&ie=gb2312&ct=1048576&wd=cannot+but&tn=baidu