Do you suppose I wouldn't know if I'd done it?
You blame the right parties, governor, do you hear?
I _ain't_ done it." "I never said you did," replied Riddell, feeling he had by this time got the upper hand in the argument, "but you know who did." "There you go.

How do I know?
I don't know, and I ain't done it." "Do you mean to tell me," said Riddell, "the lines could have been cut and you not know it?
Don't you sleep in the boat-house ?" "In course I do--but I ain't done it, there!" "Don't be a young fool, Tom," said Riddell, sternly.

"What I want to know is who did do it." "How do you suppose I know ?" demanded the boy.
"Who did do it ?" again repeated Riddell.
"I don't know, there!" retorted Tom.

"I never see his face." "Then some one did come to the boat-house that night ?" said Riddell.
"How do I know?
Suppose they did ?" "Suppose they did?
I want to know who it was." "I tell you I don't know.

It was pitch dark, and I ain't seen his face, there; and what's more, I don't know the chap." "But you let him into the boat-house ?" "No, I didn't," said Tom, whose strong point was evidently not in standing cross-examination.