_________ fun we had _______ in the park last Sunday! Everyone was excited.

It’s a good idea ______ new words every day.

Tell me ________ how it came about that you were 20minutes late for class You needn’t go into details

对下列句中加点词意义与用法的分析，正确的一项是（ ） ①则知明而行无过矣 ③其正色邪其远而无所至极邪 ②吾尝终日而思矣 ④其国家可几而理欤

ou a teacher— I ,but now I am working in a company