阅读短文，选择正确答案。 Until a few years ago, only boys could become students at the university of Ruritania (坦尼亚大学). Later the university decided to take girls in. But one of the teachers, Mr Goller, was not pleased at all. He had not wanted to let girl students in. Mr Goller always began his lessons with the word 'Gentlemen!' What could he do now? Well, when the girl students came to his lessons for the first time, he still began with the word. For him the girls were just not there. Then one day there was only one boy in his class among a lot of girls. For a moment, Mr Goller didn't know what to do. Then he began, 'Sir!' Finally a terrible day came when there were no boys in his class He came into the room, looked at the girls and said, 'Oh, nobody's here today!' he turned and went out without giving his lessons. 1. Several years ago, ________. [     ] A. there was no girl studying in the university B. Mr Goller didn't teach in the university C. the university let girl students in D. most of the students in the university were boys 2. Mr Goller usually said '_______' when he began his lessons. [     ] A. Sir B. Good morning C. Gentlemen D. Hello 3. When the girls came to his lessons, Mr Goller was _______. [     ] A. surprised B. afraid C. glad D. unhappy 4. The writer wants us to know how Mr Goller _______. [     ] A. agreed to let the girls in B. didn't like his teaching C. always didn't know What to do with the girls D. only liked to teach boy students. 5. We can know from the passage that _______. [     ] A. the boy students didn't enjoy Mr Goller's lessons B. we will not see the girl students in Mr Goller's class C. Mr Goller was loved by his students D. Mr Goller will not work in the university