the lab, we were taken to see the library. A. Showing B. Having shown C. Being shown D. Having been shown 查看更多

 

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________around the lab, we were taken to see the library.

[  ]

A.Being shown

B.Showing

C.Having been shown

D.To show

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       around the lab, we were taken to see the library.

A.Being shown    B.Showing     C.Having been shown        D.To show

 

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