【题目】--Where are the books about computers, please? ( )
--They are ______.
A. on Shelf C B. in Shelf C C. at Shelf C
【答案】A
【解析】
略
【题目】--Where are the books about computers, please? ( )
--They are ______.
A. on Shelf C B. in Shelf C C. at Shelf C
【答案】A
【解析】
略
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