根据首字母和汉语提示完成单词。 1. In the USA, when you get a present,you must open it i______. 2. In China, when someone gives you a present,you must w______ and open it later. 3. When you ______(接受) a present,you must use both hands. 4. You mustn't do any c______ on the first day of the Chinese New Year. 5. In China, people eat lots of d______ at Spring Festival.