30. (A) hasn't (B) doesn't (C) don't (D) aren't

40. Which of the following types of business would Borders consider a direct competitor? (A) Internet companies such as Amazon.com. (B) Other small used-book stores started by students in their 20s from An Arbor, Michigan. (C) Superstores that let readers browse and drink coffee. (D) Stores such as K-mart that have book sections. 第 3 頁，共 3 頁