От этого зависит моя оценка в аттестате

1. Jack has lived in Boston since he was born.

2. Bill has been unemployed since April.

3. Ann has had a bad cold for the last few days.

4. I have wanted to go to the moon since I was a child.

5. My brother has been studying the languages at the university for two years.

6. Tim and Jane have been working in Sheffield since February.

7. My cousin has been in the army since he was 17.

8. They have been waiting for us for half an hour.