用方框中所给单词的适当形式填空，使对话通顺、正确。每词仅用一次（每空一词）。

W: Mr Wang, I have come to say goodbye to you today.
M: What ? Do you mean you are    away? Where are you going?
W: I’m going to study in America.
M: Really? When will you leave?
W: I’ve   to leave next Wednesday. I’ve already bought the ticket.
M: How long will you stay there?
W: half a year.
M: Oh, yes. I have some   there. I will call them. They may give you some help.
W: That   be nice.