/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SergeyAlexeev1 https://cdn.slidesharecdn.com/profile-photo-SergeyAlexeev1-48x48.jpg?cb=1523854466 Developing class-type materials and exams; conducting lessons and exams; holding office hours; corresponding through e-mail with students; doing other teaching related activities. http://sergeyvalexeev.com