is it in this fiat ___you once lived 为什么填that

is it in this fiat ___you once lived 为什么填that This is the house.I once lived in it.This is the house--- -- Is it in this room ___ __ the great writer once lived __ __ This is a house that Lu Xun once lived . Is it this room ----- the great writer once lived ------ he This is the house_____Luxun once lived in.A.th Is this village ____ Chairman Mao once lived in? is this flat ___ you once lived in This is the house in which Tom once lived中in 为什么要放在which前面 用关联词填空如何填,为什么?This is the house in ___ Lu Xun lived. This is the house that Lao She lived in .可改用为什么 This is the house_______Lu Xun once lived.