Complete the dialogue by putting the verbs in brackets into the correct form omar: when you did you arrive in astana? dmitry: a week ago. omar: where have you been staying in astana? dmitry: i 1 ( stay) with my brother in his flat for a week but i am going to move to the hostel. omar: what are you doing here? dmitry: i 2 ( study english) here since monday. omar: how long 3 (stay) in astana? dmitry: i 4 (be) here for 2 weeks.