But if I can help to rescue him--" "If you can help, I'll let you know," said Fred.

"But I don't know yet even how I shall set about it.

And I think it's more important for someone we can trust absolutely to be in the house.

There may be nothing for you to do there, and yet, if anything does come up, you will be needed there very quickly.

Shall you go back through the tunnel ?" "No.