56 B) Whether local bike shops will suffer.
57 C) It saw its bike sales on the rise.
58 B) Its customers have been drawn away by Citi Banks.
59 A) Inexperienced riders might break biking rules.
60 D) Approving.

精品四六级考试课程:英语四级【签约班】  英语六级【签约班】  英语零基础直达CET4级考试版