NET
18 And today the Lord has declared you to be his special people (as he already promised you) so you may keep all his commandments.
Darby
18 and Jehovah hath accepted thee this day to be a people of possession to him, as he hath told thee, and that thou shouldest keep all his commandments,
KJV
18 And the LORD hath avouched thee this day to be his peculiar people, as he hath promised thee, and that [thou] shouldest keep all his commandments;