You’d better go there by train. The train ticket is the airplane ticket.
A. as cheap three times as
B. as three times cheap as
C. three times cheaper than
D. cheaper three times than
网友回答
A. as cheap three times as
B. as three times cheap as
(答案→)C. three times cheaper than
D. cheaper three times than
解析：考查倍数表达.as +倍数+adj+as表示是……的几倍。倍数+形容词比较级+than，表示比……多几倍。根据题意，你最好乘火车去。火车票比飞机票便宜三倍。故选C。选B不符常理。