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Model:Q:How long have you worked in this restaurant?(two years) A:I’ve worked here for two years. :How long has your sister worked here?(last June) A:She has worked here since last June. :How long has that man waited?(twenty minutes) A:He has waited for twenty minutes. :How long has that woman sat there?(8:30) A:She has sat there since 8:30. :How long has that boy talked on the phone?(five minutes) A:He has talked on the