(2013·吉林市期末，33)I'm told that languagepractising. is a free website learners can not just learn various languages but also chat online.
A. where
B. which
C. that
D. what
网友回答
(答案→)A. where
B. which
C. that
D. what
解析：答案：A 考查定语从句的关系词。先行词是website, 从句中缺少状语，因此用where引导。