一、单项选择（共15小题；每小题l分，计15分）
在下列各题A、B、C、D四个选项中选择一个能填入题干空白处的最佳答案。
1. —Have you found your lost mobile phone?
—No, I haven’t found ___________, but I bought ___________ this morning.
A. one; that B. that; one C. it; one D. one; it
2. —What do you think of her dress?
—I think it still looks quite fashionable on her ___________ it is a style of many years ago.
A. though B. or C. so D. because
