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In my opinion, you can widen the _____ of these improvements through your active participation.

   A. dimension    B. volume    C. magnitude    D. scope

In my opinion, you can widen the _____ of these improvements through your active participation.

A. dimension           B. volume              C. magnitude          D. scope

 In my opinion, you can widen the _____ of these improvements through your active participation.

   A. dimension    B. volume    C. magnitude    D. scope

 In my opinion, you can widen the _____ of these improvements through your active participation.
A. dimension              B. volume            C. magnitude           D. scope

 In my opinion, you can widen the _____ of these improvements through your active participation.
A. dimension              B. volume            C. magnitude           D. scope