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。
(1) Could you help me with my English? --- With p____ .
(2) Linton is interested in Chinese history and this is his____ (第四) visit to China.
(3) You should learn how to keep happy and eat ____ (health).
(4) The boy felt ____ (困倦的) in class because he stayed up late last night.
(5) So Terrible! The airplane____ (起飞) five minutes ago.