Ответ:

Ex 7

1 To my mind, the easiest subject is  Jurisprudence.

2 In my opinion, the most difficult subject is Math.

3 The most ineteresting subject in our school is English.

4 As for me, the most boring subject is  Ethics

5  Yes, on wednesday I have 4 classes

Ex 8

1 Please, tell me ABOUT your college.

2  Is your college situated IN the centre OF the city, or IN the suberb?

3. I study here IN the second year.

4. Is the laboratory ON the first floor, or ON the ground floor?

5. I try to come INTO the classroom BEFORE the bell. Itʹs bad whan one is late.

6. Our college is very green: there are flowers ON every window-sill.

7. We take care OF\ABOUT our classroom: we tidy it up every day.