Choose the correct item.
A: What … \(you/do\) this weekend?
B: Nothing special. I … \(usually/visit\) my grandparents at the weekends but they … \(leave\) for London on Friday.

• are you doing; usually visit; are leaving
• are you doing; usually visit; are living
• are you doing; usually visit; have left
• do you do; usually visit; are leaving