问题
选择题
The art centre is _______ used to be a factory, _______ millions of tractors were made. [ ]
A. what; where
B. where; where
C. what; which
D.where; which
答案
A
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The art centre is _______ used to be a factory, _______ millions of tractors were made. [ ]
A. what; where
B. where; where
C. what; which
D.where; which
A