[originaltext]Michael needs to send invitations to their customers, doesn’t he?

Michael needs to send invitations to their customers, doesn’t he?
(A) Yes, they are the most important clients to us.
(B) it’s not really necessary this time.
(C) I’m afraid I couldn’t visit them.

Isn’t there another meeting for the launch party today?
(A) Yes, I think we need another meeting.
(B) Today is her birthday.
(C) No, that’s the only one for today.