高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
You'd better go there by train. The train ticket is ＿＿＿＿＿＿ the plane ticket.
A.as cheap three times as
B.three times as cheap as
C.cheaper three times than
D.as three times cheap as
You'd better go there by train. The train ticket is ＿＿＿＿＿＿ the plane ticket.
A.as cheap three times as
B.three times as cheap as
C.cheaper three times than
D.as three times cheap as
参考答案：