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.

精品四六級考試課程：英語四級【簽約班】??英語六級【簽約班】??英語零基礎(chǔ)直達CET4級考試版