go to it (?.)

• attack
• dive into
• enter on
• enter upon
• fall to
• get busy
• get cracking
• get going
• get with it
• hop to it
• jump to it
• launch into
• light into
• pitch in
• pitch into
• plunge into
• sail into
• set about
• set at
• set to
• set to work
• start in
• tackle
• take on
• turn to
• undertake
• wade into