下列句中词类活用方式不同于其他三项的一项是（　　）

．_______ we can afford it, we wouldn’t go abroad for our vacation.

________the way, where does your sister work

That wasWWW.K**S*858$$U.COM a ______threat: she meant to annoy you.

Do you know where the manager lives? —- Yeah, but I have to _____________ the telephone book for his address.