His head soon appeared out of the second storey windows,from where he could see nothing but trees
问题描述：
His head soon appeared out of the second storey windows,from where he could see nothing but trees
为什么不用"from which"为什么在介词后面加状语,不是重复了吗?为什么不可以把先行词理解成windows?
答
这里也可以用from which,
from where 里的where 相当与there,可以在前面加介词的.比如：
That was in 1929,since when things have been better．那是在1929年,从那时起情况就已经好转了.