What shows that the angels sent to Abraham and Lot were real beings?

Answer

"And he [Abraham] took butter, and milk, and the calf which he had dressed, and set it before them; and he
stood by them under the tree, and they did eat." "And he [Lot] made them a feast, and did bake unleavened
bread, and they did eat." Gen. 18:8; 19:3.

For what were the Bereans commended?
What chapter in the Bible is devoted to faith?
What was the result of Christ's working miracles at His first passover?
To another whose sight He had restored, what did Christ say?
In view of the judgment hour, what is proclaimed anew?
Do Protestant writers acknowledge the same?
Why are they demanded now?

Questions & Answers are from the book Bible Readings for the Home Circle