Quizt hat (作主语、宾语或表语) whic h (作主语或宾语) 指物t hat (作主语、宾语或表语)who (作主语、宾语或表语) whom (作宾语)指人关系词先行词有时可代替whom作宾语在下列情况下, 一般用 that 而不用 which
先行词为 all, everything, nothing, something, anything, little, much 等不定代词时
先行词被 all, little, much, every, no 等修饰时
先行词被序数词或最高级修饰时
先行词被 the only, the very, the same,the last 修饰时
先行词为人和物的组合
若主句中有疑问代词 who 或者 which, 为了避免重复, 关系代词不要再用 who, which，而用 that
I’ve become good friends with several of the students in my school _____ I met in the English sppech contest last year
（2011 湖北十堰） A
where C
when D
which2
I love the school _____ I have studied in for three years
（2013 湖南衡阳） A
where B
when C
that 3
— What are you looking for
— I’m looking for the ring _____ myhusband bought me last year
(2012 山东滨州) A
that B
whom D
