问题补充:
Of the two coats, shed like to choose the one to save money for a book.
A. cheapest
B. cheaper
C. more expensive
D. most expensive
答案:
A. cheapest
(答案→)B. cheaper
C. more expensive
D. most expensive
解析:比较级的用法。由save money“节省钱”知,在两件外套中,她想选择便宜的那件,因此选B。