To keep on

to go forward; to proceed; to continue to advance.

See also: Keep

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
OVERALL VERDICT ON BECOMING ENERGY FIT: Simon Boghurst says: "It is a privilege to be part of this campaign and it's my desire that it will have a lasting impact on this generation and future ones." OUR ONGOING COMMITMENT: "Our biggest change was to our wasteful habits and we're going to keep on saving energy!" say the Boghursts.