As everybody knows, Hong Kong used to be _____ part of _____ British Empire．

       A．不填; a     B．a; the   C．不填; the      D．the; 不填

As everybody knows, Hong Kong used to be _____ part of _____ British Empire．

         A．不填; a       B．a; the          C．不填; the   D．the; 不填

As everybody knows, Hong Kong used to be _____ part of _____ British Empire．

1. A.
   不填; a
2. B.
   a; the
3. C.
   不填; the
4. D.
   the; 不填