I. Nobody has called for me, have they?

II. I'm going to receive an email with the details, aren't I?

III. Let’s meet at Brian's, shall we?

IV. Have some more tea, would you?

V. Everyone has left, hasn’t they?

VI. She's hardly ever at home, is she?

Now mark the CORRECT alternative according to the standard grammar rules for the use of Question Tags in the six sentences above.