What is true about the people suffering from dementia

An idle youth, a needy age.

It is when you nearly lose someone when you become fully conscious of how much you value them.

All of them are （） at Lana"s achievement.

Nobody can work well if he is distracting.

There is nothing so admirable as a man whose sacrifices his life and happiness for others. 

Man was, is and always will be trying to improve his living conditions.

Have run out of fuel, the plane crashed to the ground.

No agreement was （） in the discussion as neither side would give way to the other.

事實勝于雄辯。