填入下面文段空白处的词语，最恰当的一句是古代劳动人民善于发现事物的特征，善于区别事物的善恶，________通过口头语言和歌舞场景使之再现。________他们的诗歌创作，________表现了他们对现实的认识和爱憎，________表现了他们质朴的艺术感觉，________逐渐形成了现实主义与浪漫主义完美结合的特色。

What ________ it be? — It can’t be a mail box, for it’s moving. It ________ be a car. [ ]

Now, young people chat online talk with each other face to face.

I use a clock to wake me up because at six o’clock each morning the train comes by my house.

What is his suggestion?— Just guess the meaning of it whenever you ________ a new word in reading. [ ]