He (visit) his sister at six o clock this evening. she (go) to the hairdressers this afternoon. this summer i (work) in a supermarket.

Will visit; will go, work
врлдь так

He is going to visit his sister at six o clock this evening.
She is going to the hairdressers this afternoon.
This summer I am going to work in a supermarket. так как все эти действие уже запланированны