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| One summer evening I was sitting by the open window, reading a good science storybook. I was so 1 the story I was reading that I didn't 2 that it was getting dark. When I realized that it was too dark for me to read 3 , I put the book down and got up to turn on the light. Just then I heard someone 4 , "Help! Help!" It seemed to come from the trees at the end of the yard. I looked out but it was too dark to 5 anything clearly. Almost immediately I heard the cry again. It 6 like a child, but I could not 7 what someone would be doing in our backyard, unless one of my neighbour's children had climbed a tree and had not been able to 8 . I decided that I ought to go out and have 9 in the yard, just in case someone was 10 . I got a flashlight and a stick, which I thought might be useful. With these in my hands, I went out 11 the yard. Once again I heard the cry and this time there was no doubt that it came from the trees at the far end of the yard. "Who is there?" I 12 as I walked across the yard towards the trees. But there was no 13 . With the help of my flashlight, I 14 all over that end of the yard, including the branches of the trees. There was no 15 of anybody or anything. I came to the conclusion that my 16 made fun of me, probably because of the strange creatures (生物) on another 17 which I read about in the story. I had to go back into the house and put the stick and flashlight away. I had just sat down to read my book again when I was 18 by the cry of "Help! Help!" This time it was from right behind me! I dropped my book and 19 . There, sitting on the table was my neighbour's large green and red 20 . | ||||
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