请教英语（用正确的形式填空）
1.He always has an_______ understanding of the theories.(insight)
2.The old castle ruins look very ________ in the dawn light.(romance)
3.We thought they had come to repair the phone,but in________ they were burglars.(real)
4.The manager made an unfair _______ of his new secretary’s character.(judge)
5.Aid agencies and the local government are_______ to deliver supplies to the flooded area.(cooperation)
6.He became a millionaire overnight.Many people_______ him for his good luck.(envious)
7.The population of the town _____ rapidly in the 1960s.(expansion)
8.Taking a part-time job would ______ you of the financial burden.(relief)
9.The _______went on smoothly with the help of the skilled interpreters.(negotiate)
10.The _______ of the bomb threw the whole crowd into panic.(explode)