Yang Liwei is a hero, but a _________. 

It’s a ________ clock, made of brass and dating from the nineteenth century.

When he is faced with a dilemma sometimes, he usually makes a/an ________ decision by throwing a coin.

 When they were dragging her away, the little girl reached out her hands in _______ want of her mother. 

Old people need special care in winter, as they are very______ to sudden change of the weather.