根据句意和首字母提示，写出单词，使句子意思完整、通顺。
1.Spring Festival (春节)is one of the most important t_______ _____ festivals in China.
2.His sister always plays a part in s_______ _____ the animals.
3.My Uncle is a worker.He works in a big f_______ ______.
4.I think I’ll take a h_______ _____in Hong Kong when possible.
5.In 100 years books will only be on computers, not on p_______ _____.