下列划线词的词性和用法都与例句相同的一项是（ ）例句：项伯杀人，臣活之

_______ are playing an important part is well known to us all.

Please go and _____________________ a goodmeal. We shall have the honor of Mr. White’s saying for supper.

_________ advertisements are of great help, I don’t think we should entirely rely on them

into English, the sentencewas found to have an entirely different word order.