根据括号内的提示或给出的首字母填上单词的正确形式。(共10小题；每小题1分， 共10分)
The deep ________(悲伤) she felt was obvious in the expression of her face.
The population ________(减少) from 8,300,000 in 1845 to 6,600,000 in 1851.
The class             of (组成)56 members, twenty of whom are girls.
---So I did the wrong thing!
---Well, nobody is _________(完美的).
My friends were wearing two or three sweaters for extra _________(warm).
My children have become hopelessly _________(addict) to television.
The beauty of the West Lake left a deep __________ (impress) on me.
There is no _________(possible) for him to do it!.
D____ to his careless driving, he hit a man.
M______  health is as important as physical health.