Ответ:
1. I just have entered the University, so it is sometimes not easy for me to find the lecture hall I need.
2. My parents entered the University many years ago so they had to pass entrance competitive exams.
3. He has graduated from a higher school in Moscow, not St. Petersburg.
4. They graduated from the University this year and haven't found jobs yet.
5. Last year he got state grant and also has worked part time.
6. We just have got our state grant so we are going to the cinema today in the evening.
7. Two years ago – in my first year at the University – I didn't miss any lectures.
8. This month he already missed 4 or 5 lectures!
9. We wrote a test paper yesterday.
10. I have wrote the test paper – may I go now?