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 spring (春天) because it is neither too hot nor too cold.
【小题2】—What’s your father’s job/career (职业)?
—He is a doctor.
【小题3】The 30th Olympic Games will be held in London, the capital (首都) of England.
【小题4】Lucy is polite and helpful (乐于助人的). We all like her.
【小题5】Our maths teacher asked you to go to his office immediately (立即). He is waiting for you.
【小题6】Colours can change our moods and some may make us feel sleepy (in need of sleep).
【小题7】Hurry up, or we can’t reach (arrive at) the railway station on time.
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解析：
【小题1】直接使用spring。
【小题2】直接使用名词job或career。
【小题3】直接使用capital。
【小题4】跟polite并列，用形容词。
【小题5】修饰前面的动词go，用副词。
【小题6】连系动词feel后面用形容词。
【小题7】需要填一个及物动词，情态动词can后使用动词原形。