Once there was a student who was very afraid of ghosts. One day, he was walking past a cemetery under a pitch-black sky. Suddenly, he saw a man stepping out from the cemetery, and he was very surprised. He approached the man and asked:
– Excuse me, sir, I’ve heard that this cemetery is full of ghosts. How come you’re so brave?
The man replied:
– Nonsense! Since the day I died, I haven’t seen any ghosts around.
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This article was submitted by Hoàng Anh to Khoa Học
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