Заполните пропуски в предложении. before ann … for spain we … at the project for 14 days. выберите один ответ: а)leave, will have been working б)will leave, will be working в)will have left, will have worked г)leaves, shall have been working

Before Ann leaves for Spain we shall have been working at the project for 14 days.
До того как Анна поедет в Испанию, мы будем работать над проектом уже 14 дней.

г) leaves, shall have been working