根據(jù)下面句子的意思及所給的首字母或英漢提示，寫出空缺處單詞或詞組的正確形式。
1. Li Bai and Du Fu were great p___________ in ancient China.
2. How about ___________ (fly) to Kunming? I think it's far more enjoyable.
3. Tom is much ___________ (careful) than Li Lei.
4. I hope I can talk with Yao Ming ___________ (面對面) one day.
5. He was so hungry that he ___________ (吃光) all the food in the dish.