Ответ:

2. If my English teacher asks me to prepare a presentation I will agree to make it.

3. If there were no grades in school it would be very difficult to assess pupil's knowledge of subjects.

4. If I get angry I usually take a deep breath to calm yourself down.

5. If it rains all day on Saturday I will stay home.

6. If I saw someone stealing something in the supermarket I would inform a security guard about it.

7. If I have problems falling asleep I usually take a sleeping pill.

Объяснение: