New Revised Standard Version
Nicodemus said to him, “How can these things be?”

Contemporary English Version
"How can this be?" Nicodemus asked.

New American Bible
Nicodemus answered and said to him, “How can this happen?”

Douay-Rheims Bible
Nicodemus answered and said to him: How can these things be done?

Nicodemus answered and said to him: How can these things be done?

How.

John 3:4 Nicodemus saith to him: How can a man be born when he is old? Can he enter a second time into his mother's womb and be born again?

John 6:52,60 The Jews therefore strove among themselves, saying: How can this man give us his flesh to eat? . . .

Proverbs 4:18 The way of the wicked is darksome: they know not where they fall.

Isaiah 42:16 And I will lead the blind into the way which they know not: and in the paths which they were ignorant of I will make them walk: I will make darkness light before them, and crooked things straight: these things have I done to them, and have not forsaken them.

Mark 8:24,25 And looking up, he said: I see men, as it were trees, walking. . . .

Luke 1:34 And Mary said to the angel: How shall this be done, because I know not man?