The graduate’ s mind __________ when he learned that he could not get the graduation diploma because of his poor performance.[ ]

I lost________ key to the door yesterday.It was________ unlucky day for me.

Haven’t you learned of the advantage you should _____ other’s weak points in order to win the match?

Which________you rather_________，tea or coffee

（2014年福州市高三适应性练习）24. Reputation is a treasure that, once _______, can never be won back.