根据句意及所给中文提示或英文解释，写出句中所缺单词，每空限填一个单词。
People like travelling in ____ (春天) because it is neither too hot nor too cold.
—What's your father's ____  (职业)?—He is a doctor.
The 30^th Olympic Games will be held in London, the ____ (首都) of England.
Lucy is polite and ____ (乐于助人的). We all like her.
Our maths teacher asked you to go to his office____  (立即). He is waiting for you.
Colours can change our moods and some may make us feel ____ _ (in need of sleep).
Hurry up, or we can't____  (arrive at) the railway station on time.

生活中的规则无处不在，就像地球仪上纵横交错的一条条经线和纬线。下列有关规则的说法，正确的有（    ）

①规则的存在只会限制人们的自由   ②规则的废立是社会生活发展的需要

③规则和制度是公共生活的基本保障④违犯规则都要受到惩罚