问题补充：
There are only ten minutes left; can we walk ?
A. more quickly a bit
B. quickly more a bit
C. quickly a bit more
D. a bit more quickly
答案：
A. more quickly a bit
B. quickly more a bit
C. quickly a bit more
(答案→)D. a bit more quickly
解析：考查形容词用法。quickly 的比较级为more quickly ，a bit可修饰比较级，修饰比较级的词还有much, even, far等等，句意：还剩下十分钟；我们可以走得更快一些吗？所以选D。
