Переделать из прямой речи в косвенную!!
What can it all mean? asked Nisbet.
I can take the photograph for you myself, said Nisbet
I'm sure there will be some trouble in that hoyse.
I'll tell you what I'll do, sail Williams.
That's a very good idea, agreed Nisbet.

Nisbet wanted to know what it all could mean. Nisbet said he could take the photograph for them himself. He was sure there would be some trouble in that house. Williams said that he would tell them what he would do.Nisbet agreed that it was a very good idea.