根据下列各句句意和空白之后的汉语提示词，写出对应单词的正确形式，每空只写一词。
1. In the past, his grandfather raised two head of ________ (牛) in his family,but now he has none.
2. Students are _________ (禁止) from smoking in every school of China.
3. ________ (抓住) the thief, the retired policeman took him to the police station at once.
4. Rooms seemed ________ (不自在) warm in summer.
5. The old woman is now in a ________ (稳定) condition in hospital.