▲2007高考英语【江苏卷】第33题：
33. He was educated at the local high school, ______ he went on to Beijing University.
A. after which B. after that C. in which D. in that
答案：A。考查“介词+关系代词which”引导非限制性定语从句的用法。句意：他在当地高中接受教育，接着又上了北京大学。
▲2005高考英语【山东卷】第30题：
30. He was educated at a local grammar school, ______ he went on to Cambridge.
A. from which B. after that C. after which D. from this
答案：C。考查“介词+关系代词which”引导非限制性定语从句的用法。句意：他先在当地一所语法学校接受教育，接着又上了剑桥(大学)读书。
【试题材料出处】
He was educated at the local grammar school, after which he went on to Cambridge.（来自 Longman Dictionary of Contemporary English; Fifth Edition 的 which 词条）
He was educated at the local grammar school, after which he went on to Cambridge.（来自 Longman Exams Dictionary 的 which 词条）