2)He always worked hard and was a ____ student, and he ___ from the university with excellent marks in all the subjects. 3) When did he ___ college? 4) We never miss the _____ to speak to them. They know so mush. 5) Pushkin's ____ to the development of the Russian language is really great. 6) He has really improved his ____ of mathematics. 7) You should ____ your presentation.