问题
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
B:where; where
C:what; which
D:where; which
正确答案是：
同类题型
Does the young man standing there ______the company?—NoThe company is _____his father
the yard was an old man tellingstories, with quite a few children__________him.
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Only when I read this story for a second time _________to appreciate its beauty.
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