試題詳解

25. Sales clerk: All the shoes on this shelf are on sale. Customer: Do you have a smaller size for this pair? Sales clerk: I’m sorry. _______________ But the brown ones are in your size.
(A) That’s 20% off the original price.
(B) You can’t pay by credit card.
(C) This is the only size available in black.
(D) You can buy one and get another pair for free.