Use "come to a dead end" in a sentence

1. He had come to a dead end in life

2. the desert or come to a dead end, but the big question was

3. “Oh! That is a shame; I seem to have come to a dead end,” replied Max

4. Pon crawled approximately half a kilometre, through the muddy tunnels on his hands and knees and stopped to check his route map, he saw that around the next narrowing bend he should come to a dead end