既能用where又能用in which的情况 引导定语从句，在定语从句中作地点状语，从句与先行词的搭配缺少介词in时，既能用where又能用in which。 （1）This is the ho......

1、which前面有逗号，逗号前面是个名词，which就近指代那个名词。Tankfield emailed Pea some photos, which did not cheer Pea up......