Some people argue using _______ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.

Some people argue using _______ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.

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

Some people argue using ____________ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.

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

Some people argue using _______ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.

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

Some people argue using _____ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.

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