题目内容
Mr. Sawyer started his career at Stanford University, _____ he became Professor of Physics in 2002.
A. which B. where
C. when D. that
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金钥匙试卷系列答案题目内容
Mr. Sawyer started his career at Stanford University, _____ he became Professor of Physics in 2002.
A. which B. where
C. when D. that
金钥匙试卷系列答案