The Great Wall is the last place ________ Mr Smith is going to visit before he leaves Beijing.

1. A.
   /
2. B.
   which
3. C.
   where
4. D.
   what

The Great Wall is the last place _____ Mr. Smith is going to visit before he leaves Beijing. 
  A. where      B. which       C. /        D. what

The Great Wall is the last place ________ Mr Smith is going to visit before he leaves Beijing.

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