— My leg hurts a lot.— You’d better go to the doctor and have it _____.
It is difficult for children to change their eating habit later in life.________,parents should encourage healthy eating from an early age.
It is well known that knowledge is________treasure house,but practice is________key to it.
The young man was modest and worked hard,and gradually managed to________his status.
If we just bring over products developed for the US market,we will soon be________to just competing on price.
The quarrel________to the fight started from their disbelief in each other.