完成句子
1.The research is so designed that____ ____ (一旦开始) nothing can be done to change it.
2. Nobody was surprised when Nancy's boyfriend broke up with her
since she___ him____ dirt( 把他当下等人对待) ．
3. Life ____ him ____(注定)working 12 hours a day.
4. The books in the library _____ ____ (分类)by subject.
5. The house on the hill ___ (俯视)the village.