classes:  lecturer. My class is mostly quiet, so to us you're a very good person and you've explained everything to us...  curriculum. My class is mostly quiet, so to us you're a very good person and you've explained everything to us...  facility. My class is mostly quiet, so to us you're a very good person and you've explained everything to us...  general. My class is mostly quiet, so to us you're a very good person and you've explained everything to us...