Nowadays many parents are trying to either prevent their children from failure, or protect them from the knowledge ________ they have failed.
—I’m sorry I made a mistake! —________.Nobody is perfect.
It’s much easier to make friends ________ you have similar interests.
You must learn to consult your feelings and your reason________you reach any decision.
In the global economy,a new drug for cancer,________ it is discovered,will create many economic possibilities around the world.
One can always manage to do more things,no matter________full one’s schedule is in life.