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A. has been developing develops developed has developed
a; is the; is a; are the; are
sets makes develops meets
is; are are; are is; is are; is
A. pay a visit to approach to arrive in flood into
is learning are learning has learned have learned
having developed developed had developed has developed
participating to participate participated being participated
contribute to subscribe to stick to turn to
changes changed will changE. has changeD.
belongs to belonged to belonging to to belong to
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have developed have been developing is developing develops
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