Both parents and teachers work hard at either preventing failure or protecting the children from the knowledge_______ they have failed.

Due to bad weather, the police had to __________ the search for the missing boy.

What about going _________ with us

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ） 海南的黄花梨是极其名贵的木材，带有“鬼脸”的更是其中的佼佼者。其实，所谓“鬼脸”，是黄花梨木受到伤害之后留下的疤。___________。 _________，____________ ，___________，_____________。_____________。①这就是人们俗称的“鬼脸”②形成了各种各样惟妙惟肖的图形，有的像动物，有的像植物，有的像人物。③为了弥补伤害，受伤处的纹理发生了变化，长出了非正常的纹路④形象逼真，十分迷人⑤形态各异，丰富多彩⑥海南常遭台风袭击，所以黄花梨不是被扭曲，就是被折弯，甚至被折断

My mind wasn’t on what he was saying so I’m afraid I _______ half of it.