1 In the 21st century computer technologies have reached the highest point of their development. (have reached - Present Perfect). 2. The goal of mu further edication os to enter the university and get excellent knowledge on the chosen profession (is - Present Simple, enter / get - infinitive). 3. He has always wanted to become an astronaut. (has wanted - Present Perfect) 4. He has been engaged in volunteer activities for several years. (Has been engaged - present perfect passive) 5. He says that he has always been happy having made the right choice of profession. (Has been - present perfect, says - present simple) 6. We were glad to see Tom among our friends on Saturday. (Were - past simple) 7. Madam Anna looked gorgeous at the show yesterday. (Looked - past simple) 8. Microbiology is very interesting science but it requires devoting a lot of time. (Is, requires - present simple)
Being a student today means being pressured by giant amount of information which comes from everywhere, you can't hide from it. Life has never being so fast as today. Сatch the essence of quick passing concepts as "fashion" and "modern" is too hard. In this chaotic world, information hell, students need something stable, something causing no doubts and easy to get. But off course this "stable" answer to savage grin of being should be strong, be into nowadays context. My answer is a bondage as school uniform, it implies all possible conceptual destinations of today. Uniform should consist of gag, collar, leather or latex, and rope. It would be strong base students can rely on into resistance against this merciless time.