根据句意及汉语提示完成单词。
If you _________ (复习) the knowledge that you’ve learned in time, you’ll get good grades .
As for langauge learning , I think listening to tapes is one of the best _________ (秘诀) .
____________ ( 圣诞节) is the traditional festival in many western countries .
Most of his money was  __________ ( 偷) by a thief last night .
It’s __________ (不礼貌的) to talk to the old loudly .
My aunt and uncle are both  __________  (邮递员)。
Tony is from China ，but he was born in  __________ ( 德国)。
He used to be _________ (沉默的) in English class ,but now he is active .
Our teacher often _________ ( 提及) this old saying----“Every coin has two sides .”
Korea is _________ (广泛地) known for its delicious food .