Haven’t seen you for ages! Where have you been? —I went to Ningxia and there for one year, teaching as a volunteer

Bad luck! I ________ the sidewalk when an Audi cutin and knocked me down—You can never be too careful!

填入下面一段文字横线处的语句，最恰当的一句是 曾几何时，台海阴云密布，两岸军事对峙，同胞隔海相望，亲人音讯断绝，给无数家庭留下了刻骨铭心的伤痛，甚至是无法弥补的遗憾。然而 ， 。两岸同胞是打断骨头连着筋的同胞兄弟，是血浓于水的一家人。

My brother’s never been late for work, ______________—- _______________. He is a hard-working man.

Freemedical treatment in this country covers sickness of mind as well as ________sickness.