Jigsaw Sentences

Join each group of sentences together to make single sentence, in as many ways as you can.

19. He may be innocent. He may be very clever. I mean to discover which.

If. Or. Whether.

20. He may crack the code. No one else will.

Anybody. If. Unless.

21. Your desk is untidy. I know your character.

Chaos. Tell. Who.

22. Suppose there is some hitch. A national treasure will be lost. We will never get it back.

Hope. If. Recover.