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Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.  

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

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

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.