Ответ:

Exersice 5

They have lived in that flat for five years.

We have been in this lesson since three o'clock.

I've like fishing for nine months.

exercise 6

2.I've been in this class since 8AM

3.We have been best friends since college .

4. I've been studying in this school for 5 years.

5. I've lived in my house for twelve years .

6. I have been learning English since 2012.

exercise 7.

2. How long have you been in this class?

3. When have you met your best friend?

4.How many years have you studied in this school?

5. How many years have you lived in your house ?

6. Where have you studied English?