---My bike is yours.
--- But mine is much more expensive than yours.
A. so big as
B. the same size as
C. as bigger as
D. the same big as
网友回答
A. so big as
(答案→)B. the same size as
C. as bigger as
D. the same big as
解析：此题重点考查形容词的比较结构，the same size as=as big as