You can change your job，you can move house，but friendship is meant to be________life(2012·安徽，25)

Hisfamily________musiclovers.

Our country should set up more national parks animalscan live freely

There is an increasing demand for organic _________, since it is highly recommended by many nutritionists.

My father ____ my brother for driving but he wanted to pick ____ the knowledge of the computer during his spare time.