问题
选择题
— Where did you find Mr. Smith?
— It was in the library _____ we often went to read. [ ]
A. that
B. when
C. what
D. where
答案
答案：D
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— Where did you find Mr. Smith?
— It was in the library _____ we often went to read. [ ]
A. that
B. when
C. what
D. where
答案：D