There are many different kinds of stories. Detective (侦探) stories have been popular since Conan Doyle  (write) his famous stories about great detective Sherlock Holmes. Readers read this kind of stories mainly for pleasure.

    In a story, a man was murdered. Who did it and why? Mr X hated the dead person and wanted  (kill) him, but had no chance. He was somewhere else when the murder  (take) place. Mr Y could do it  (easy), but seemed to have no reason to do it. Mr Z had reason for killing him  he had already got all the dead  (man) money. Was X, Y or Z the murderer? Or was it somebody else? In the end, the detective will find out the answers  all the questions, and the story will not end until the mystery  (solve).

    The ending is always unexpected. The criminal turns out to be that nice Mr C, who you thought would never hurt  ant! At the end of the story, all the clues become clear and you will say, "Oh yes, of course, it is the  (true)."