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.
