classes:  lecturer. I should announce the absence a few days in advance, I should solve the assignments as well as the instructions to do new assignments in a specific way and reduce the advanced level compared to our level.  curriculum. I should announce the absence a few days in advance, I should solve the assignments as well as the instructions to do new assignments in a specific way and reduce the advanced level compared to our level.  facility. I should announce the absence a few days in advance, I should solve the assignments as well as the instructions to do new assignments in a specific way and reduce the advanced level compared to our level.  general. I should announce the absence a few days in advance, I should solve the assignments as well as the instructions to do new assignments in a specific way and reduce the advanced level compared to our level.