I work in a business _______ almost everyone is waiting for a great chance.
—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.