Exercise 3 Fill in the blanks with the prepositions: 1. The students

Exercise 3 Fill in the blanks with the prepositions:
1. The students our group are very good English. They work hard their grammar. 2. Pete makes many mistakes . his work. 3. the end of the term well have 3 exams. 4. Its time to start reading your exams. 5. Dont miss classes, otherwise you may fail history. 6. This year I have entered the History faculty. 7. I will graduate the University in 5 years. 8. I didnt fail this subject at the exam. 9. I am good Physics.
Exercise 4. Open the brackets, using the right Tense-form of the verbs:
1. She (to live) in the hostel next year.
2. It (to take) me a lot of time to do my homework.
3. Only five students of our group (to be) ready for the class yesterday.
4. My sister (to have) much work to do tomorrow.
5. They always (to come) to the University five minutes before the bell (to ring).
6. She never (to go) to the club without her friends.