问题
选择题
— Did they carry out the experiment in the school lab?
— No, it was in the scientific center _______ their teacher worked. [ ]
A. that
B. where
C. why
D. when
答案
答案：B
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— Did they carry out the experiment in the school lab?
— No, it was in the scientific center _______ their teacher worked. [ ]
A. that
B. where
C. why
D. when
答案：B