根据汉语提示填入适当的单词。 1. Boys and girls, please take out your ______ (钢笔) and write down the new words. 2. — How about this ______ (红色的) skirt? —It's very nice. I will take it. 3. A girl from a primary school in Guilin was very ______ (幸运的) to get a free ticket to the 2010 World Expo in Shanghai. 4. When you ______ (接受) a present, you must use both hands. It's a traditional custom in China. 5. The villagers ______ (庆祝) the Dragon Boat Festival by having a dragon boat race last Wednesday.