from space, the earth, with water       seventy percent of its percentage, looks a “blue ball”.

       A. Seen; covered        B. Seeing; covering C. Seeing; covered D. Seen; covering

________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”

1. A.
   Seen; covered
2. B.
   Seeing; covering
3. C.
   Seeing; covered
4. D.
   Seen; covering

________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”

A. Seen; covered  B. Seeing; covering   C. Seeing; covered  D. Seen; covering