第二节 词组填空（每小题1分, 满分5分）：
The whole city lay ______(废墟) after the earthquake.
Have you _______(下决心) about it ?
Don’t  l_________ when faced with difficulty.
Do as you are told, otherwise,you will be ______(麻烦).
Einstein became a man without a country when Hitler _____(上台).