求句子分析~
AnyonewhohastoiledthroughSATwilltestifythattest-takingskillalsomatters,whetheritisknowingwhentoguessorwhatquestionstoskip.
whetheritisknowingwhentoguessorwhatquestionstoskip是状语么?那它修饰testify?
whohastoiledthroughSAT是定语还是同位语呢?