根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。
根据句意及所给提示，补全单词或用单词、固定短语、固定搭配的正确形式填空。
--- Could you help me with my English? --- With p___________.
Linton is interested in Chinese history and this is his_____(第四) visit to China.
You should learn how to keep happy and eat _______(health).
The boy felt __________(困倦的) in class because he stayed up late last night.
So Terrible! The airplane ______________(起飞) five minutes ago.