Like other teachers, Pham Thu Thuy enjoys her (1) ____ job. However, her class is different (2)____ other classes. The twenty-five children, (3)____ are learning how to read and write in her class, are disabled. Some are deaf, some dumb and others (4)_____ retarded. Most of the children come from large and poor families, which prevents them from having proper (5) _____.