試題詳解

13. Alan: I’ve been looking for that book! Where did you get it?
Betty:________ I just did a search on the Web and found it. It’s not that difficult, you know.
Alan: Really? I must try my hand at it. Can you show me how to do it?
(A) I bought it online.
(B) I paid by credit card.
(C) I left it in the drawer.
(D) I finished it in one night.