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。
小题1:People like travelling in _________ (春天) because it is neither too hot nor too cold.
小题2:—What’s your father’s ________ (职业)?
—He is a doctor.
小题3:The 30th Olympic Games will be held in London, the ________ (首都) of England.
小题4:Lucy is polite and _______ (乐于助人的). We all like her.
小题5:Our maths teacher asked you to go to his office ________ (立即). He is waiting for you.
小题6:Colours can change our moods and some may make us feel _________ (in need of sleep).
小题7:Hurry up, or we can’t ________ (arrive at) the railway station on time.