Taking buses in Beijing is than taking a taxi.
A. more cheap
B. much cheaper
C. a little cheap
D. less cheaper
网友回答
A. more cheap
(答案→)B. much cheaper
C. a little cheap
D. less cheaper
解析：根据than可知，本句是比较级，故排除AC；根据常识，乘公共汽车要比乘出租车便宜。本句的意思“在北京乘公共汽车要比乘出租车便宜的多。”所以本题选B。