Exodus 10:17

Now forgive my sin once more and pray to the LORD your God to take this deadly plague away from me.'

(New International Version)

'Now therefore, please forgive my sin only this once, and make supplication to the LORD your God, that He would only remove this death from me.'

(New American Standard Bible)

Now therefore forgive, I pray thee, my sin only this once, and intreat the LORD your God, that he may take away from me this death only.

(King James Version)