---Where did you pick up this wallet?
---It was in the supermarket _____ I did some shopping yesterday.A.thatB.whichC.whereD.as
网友回答
C解析试题解析：考查where引导的定语从句，从句I did some shopping yesterday不缺少成份，而且先行词是supermarket，所以选C
考点：考查where引导的定语从句
点评：在定语从句里，首先看从句是否缺少成份，如果缺少就用关系代词which/that/who…如果不缺少成份，就用关系副词where/when…