Please check my grammar

0I have an exam next month. I hope someone can help me.02br
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00Topic: You are a member of a new creative writing group. You have been asked to write an imaginative story which you will read out to the group at the next meeting. Your story begins like this:02br
00One day I fell asleep on the MTR and when I woke up, the train was empty. I got off the train, ran out of the station and saw that all the streets and the buildings were empty too. I couldn’t see anybody at all……02br
00Finish the story.02br
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00 I was very scared. I was afraid whether I was dead. After I ran away the station, I could not find my way home. I was at a loss. I did not know next step what should I do. 02br
00 I carried straight on at no aim, but I still did not meet any people until walking along the beach where I hear some voices from the distance. I sneaked into there secretly. All of a sudden, I saw in front of me an enormous monster. I was so surprised that I wanted to scream. I opened my mouth but I could not shout. I was too frightened to shout. The monster grew bigger and bigger, I trembled helplessly. 02br
00 The monster discovered me and ran at me suddenly. I was afraid that the monster would bite me, so I ran away immediately. When I was running, I heard some voices that a quite few people cried for help. I turned round at once and found that they were bound at a distance and there was a sword on the beach. I screwed up me courage to run for getting the sword. The monster seemed to know my intention and tried to forbid my action. I ignored the monster to run for getting it. Finally, I got the sword. I drew out the sword to run at the monster instantly. The monster’s act was very rapid. However, I did not lose heart because I knew that the people need my saving. I still considered how can I defeat it. On considering, the monster attacked me all at once. I avoid it, I cannot but fought back rapidly and stabbed the monster continuously. At last, the monster was defeated by me, and then I relieved the people. But I fainted because I was very tired from that fight.02br
00 After a while, I became conscious gradually. I thought that I would have many reward. I opened my eyes with happiness. It was pity that I was in the train all the way. It is a dream. I was extremely disappointed at that time because I overcame the monster very hardly. Besides, I found that I lost my much time in the train. I may be late for date with friends, who may scold me for late in a long time.0-