"How did you come here?"
"Don't know," he said again.
"Don't you know where you came from?"
"No," said he.
"Why, he must be lost," she said to the shaggy man. She turned to the boy once more.
"What are you going to do?" she inquired.
"Dig," said he.
"But you can't dig forever; and what are you going to do then?" she persisted.
"Don't know," said the boy.
"But you must know something," declared Dorothy, getting provoked.