Question

You’d better go there by train.The train ticket is____ the airplane ticket.

1. A.
   as cheap three times as
2. B.
   as three times cheap as
3. C.
   three times cheaper than
4. D.
   cheaper three times than

Answer 1

C
 考查倍数表达法。表达倍数时应把表示倍数的词放在比较级的最前面，由此可断C项正确，此处是“倍数词+比较级+than”结构。