Odpowiedź:
How long have you known Muriel?I have known her since 1989.
How long have they been married?They have been married for ten years.
How long has Peter had a dog?Peter has had a dog since one week.
How long have they worked together?They have worked together for many years.
How long has Eddie been on a diet?He has been on a diet for a long time.
How long has Dan lived here?He has lived here since January.
Wyjaśnienie: