根据汉语填写句中空白处所缺的单词。
1. I ______(忙于做) my homework this time yesterday evening .
2. Final exam is coming. We are______ (做准备) it.
3. His parents are______ (度假) in Japan now.
4. My uncle will be back from America. I______ (渴望) seeing him at once.
5. It's Sunday tomorrow. How about______. (去野营).