2 verses have
Surely
in Edition Clear Qur'an by Talal Itani / Taa-Haa (Taa-Haa)

20:98Surely your god is God, the One besides whom there is no other god. He comprehends everything in knowledge.

20:128Is it not instructive to them, how many generations before them We destroyed, in whose settlements they walk? Surely in that are signs for people of understanding.