Read the conversation between the host of the University Anniversary Event

Read the conversation between the host of the University Anniversary Event and their guest Mr Clark. Fill in the blanks with the correct options.
Event Host: We are happy that among our guests we can see Dr Clark. Hes one of the most famous alumnus of this university, a person, whose name is well-known not only in this country, but widely abroad. Dr Clark, do you remember your university years?
Dr Clark: Who can ever forget university years? I entered (1) the Faculty of Biology thirty years ago. It was my dream faculty. I de been thinking (2) about it since my mid-school, when I came across a fascinating book on biology about tiny organisms that live (3) in our bodies. Unbelievable, but I enjoyed (4) reading a scientific stuff about bacteria and viruses! I remember neither (5) the title of the book nor the author, but it was the reason to choose microbiology as one of my majors.
Event Host:) have you ever regretted (6) your choice since then?
Dr Clark: Never. I know that Im a lucky person. All my life I ve been doing (7) things I really enjoy. I spent (8) nights over the microscope in the lab and was thrilled to bits! Researching was like driving a sports car to me.
Event Host: If I remember it right, you discovered a new virus when you were still a student,) didnt (9) you?
Dr Clark: Yes, thats true. And later a vaccine to fight it was created (10).
Event Host: You headed the international team working on it. It was a challenging project.
Dr Clark: Challenging, and very rewarding too. Its nice to know that lots of people can benefit from (11) your work. But university life is not all about studying. I remember our parties, trips and even exams. Lots of brilliant ideas came during exams! I bet youll remember your exams too.