classes:  lecturer. The teachers are very enthusiastic, and always ready to help with homework and answer the questions of each student.  curriculum. The teachers are very enthusiastic, and always ready to help with homework and answer the questions of each student.  facility. The teachers are very enthusiastic, and always ready to help with homework and answer the questions of each student.  general. The teachers are very enthusiastic, and always ready to help with homework and answer the questions of each student.