一、单项选择 （共20小题，计20分）
从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。
21. This is ________book I borrowed yesterday. Isn't it ________interesting one?
A. the; the B. the; a C. a; the D. the; an
22. —My mother’s birthday is coming soon. What should I get ________ ?
— What about some flowers?
A. herself B. her C. hers D. she
23. The price of the shoes ________than before. I can't afford two pairs.
A. is more expensive B. is much higher
C. are much cheaper D. are much lower
24. —The passage is too hard to understand.
—Yes, ________ it's very short and there are no new words in it.
A. so B. as C. because D. though
25. Advertisements give us ________ about products, such as their prices and uses.
A. information B. news C. words D. pictures
