在同一磁盘中鼠标将一个文件从一个文件夹左键直接拖动到另一个文件夹时完成的操作是______。
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Is this the factory __________you visited the other day?
A. that
B. where
C. in which
D. the one
Is this factory __________some foreign friends visited last Friday?
A. that
B. where
C. which
D. the one
4.Is this the factory __________he worked ten years ago?
A. that
B. where
C. which
D. the one
The wolves hid themselves in the places __________couldn't be found.
A. that
B. where
C. in which
D. in that
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