问题
选择题
The new research center will be set up _____ was a wasteland 20 years ago. [ ]
A. in what
B. where
C. in which
D. there
答案
答案：A
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The new research center will be set up _____ was a wasteland 20 years ago. [ ]
A. in what
B. where
C. in which
D. there
答案：A