当what , which , that , where , in which 作引导词时应该怎答:“介词+关系代词“结构中的介词可以是 in, on, about, from, for, with, to at, of, without 等,关系代词只可用whom或 which,不可用 that。 This is the house in which I lived two years ago. Do you remember the day on which you joined our club? (2) from where为“介词+关系副词“...