NET
20 The Lord came down on Mount Sinai, on the top of the mountain, and the Lord summoned Moses to the top of the mountain, and Moses went up.
Darby
20 And Jehovah came down on mount Sinai, on the top of the mountain; and Jehovah called Moses to the top of the mountain, and Moses went up.
KJV
20 And the LORD came down upon mount Sinai, on the top of the mount: and the LORD called Moses [up] to the top of the mount; and Moses went up.