[单项选择]Halloween is one of the most famous holidays in the U. S. , and it is on October 31st. People carve pumpkins and make funny faces on them. These are called "Jack-O-Lanterns." On October 31st , children (47) a special costume such as a witch, ghost, or clown. They go to many houses and they knock on the door saying, "Trick or Treat!" It means that if people don’’t give them a (48) , they will play some kind of trick on the household. So, (49) people give candy to them. I (50) my first Halloween pumpkin at my Friendship Family’’s house. First, I cut open the top of the pumpkin and (51) the seeds out. It was not good for me because it was (52) and (53) bad. I had never carved a pumpkin, so it was interesting for me. Next, I carved the eyes and the mouth. I wanted to make a face like a (54) . When I finished making the face, I put a candle inside. It was very beautiful, so I was happy. I had a good experience because I learned one new idea about Amer