Greenland, _____ island in the world, covers over two million square kilometers.

A. it is the largest        B. that is the largest

C. is the largest            D. the largest

 Greenland, _____ island in the world, covers over two million square kilometers.

A. it is the largest                               B. that is the largest

C. is the largest                                  D. the largest

Greenland, ________ island in the world, covers over two million square kilometers.

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Greenland，_______island in the world，covers over two million square kilometers．

1. A.
   it is the largest
2. B.
   thatis the largest
3. C.
   isthe largest
4. D.
   thelargest