1. (2017七下·盐都开学考) 根据句意和汉语提示写出单词，完成句子。每空一词。

1. （1） People should eat food with less salt and .(糖)
3. （2） Please on the door before you come into the room. (敲)
5. （3） Do you know the number of students in your school? (总计的)
7. （4） In the winter holiday, you can have time for your hobbies. (足够的)
9. （5） An old man is sitting some children and telling them a story. (在……中)