IT WAS AN INTERESTING NOVEL. I STAYED UP ALL NIGHT TO FINISH IT....
29. It was an interesting novel. I stayed up all night to finish it. A. I stayed up all night to finish the novel so it was interesting. B. Unless it were an interesting novel, I would not stay up all night to finish it. C. Though it was an interesting novel, I stayed up all night to finish it. D. So interesting was the novel that I stayed up all night to finish it.