John 3:9
"How can that be?" asked Nicodemus.
John 6:52
Upon this the Jews began disputing with one another: "How is it possible for this man to give us his flesh to eat?"
John 6:60
On hearing it, many of his disciples said: "This is harsh doctrine! Who can bear to listen to it?"
Luke 1:34
"How can this be?" Mary asked the angel. "For I have no husband."
Mark 8:24-25
The man looked up, and said: "I see the people, for, as they walk about, they look to me like trees."
John 3:4
"How can a man," asked Nicodemus, "be born when he is old? Can he be born a second time?"