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I don' t know ____ to stay at home or go out.       

A. whether             B. if               C. how             D. where

I don' t know ____ to stay at home or go out.       

A. whether             B. if               C. how             D. where

I don' t know ____ to stay at home or go out.       

A. whether             B. if               C. how             D. where

I don' t know ____ to stay at home or go out.       

A. whether             B. if               C. how             D. where

I don' t know ____ to stay at home or go out.       

A. whether             B. if               C. how             D. where