NET

21 Their descendants remained in the land (the Israelites were unable to wipe them out completely). Solomon conscripted them for his work crews, and they continue in that role to this very day.

Darby

21 their children that were left after them in the land, whom the children of Israel were not able utterly to destroy, upon them did Solomon impose a tribute^D2152 of bondservice until this day.

Darby Bible Notes

tribute - Or 'levy.'

KJV

21 Their children that were left after them in the land, whom the children of Israel also were not able utterly to destroy, upon those did Solomon levy a tribute of bondservice unto this day.

Strong's

21 Their children^H1121 that were left^H3498 after^H310 them in the land^H776, whom the children^H1121 of Israel^H3478 also were not able^H3201 utterly to destroy^H2763, upon those did Solomon^H8010 levy^H5927 a tribute^H4522 of bondservice^H5647 unto this day^H3117.