get with it (?.)

• act on
• act upon
• attack
• bear a hand
• dive into
• do something
• do something about
• enter on
• enter upon
• fall to
• get busy
• get cracking
• get going
• go
• go to it
• hop to it
• jump to it
• launch into
• lift a finger
• light into
• maneuver
• pitch in
• pitch into
• plunge into
• proceed
• proceed with
• sail into
• set about
• set at
• set to
• set to work
• start in
• strike a blow
• tackle
• take a hand
• take action
• take measures
• take on
• take steps
• turn to
• undertake
• wade into