The price of this computer is the_______ of the three.

下列交际用语最为得体的一项是（ ）

Excuse me, isMr Green in the office—No. He Singaporefor a meeting. He will be back in a few days.

Parents and children should communicate more to ________the gap between them so that they canunderstand each other better.[ ]

I’mamazed to hear from my school teacher again ，it is ten years since we met last