classes:  lecturer. You should be more focused on teaching than spending 5 - 15 minutes asking every English word on a slide.  curriculum. You should be more focused on teaching than spending 5 - 15 minutes asking every English word on a slide.  facility. You should be more focused on teaching than spending 5 - 15 minutes asking every English word on a slide.  general. You should be more focused on teaching than spending 5 - 15 minutes asking every English word on a slide.