this book is ( )that one ,but ( )than that one .A.as difficult as; expensive B.as more difficult as ; more expensive C.as difficult as ; more expensive D.more difficult as ; as expensive
问题描述：
this book is ( )that one ,but ( )than that one .
A.as difficult as; expensive B.as more difficult as ; more expensive
C.as difficult as ; more expensive D.more difficult as ; as expensive
答
选择C
前一个是原级，和...一样难。后面是比较急，比...贵。
答
C
as…as表和……一样，中间要用原级；看见than用比较级，而expensive比较级是more expensive.
最满意答案吧!
答
C as+形容词原型as；expensive是多音节单词,more+多音节单词构成比较级
答
C
as ……as 之间跟原级，所以排除B,D
句中有than，所以第二个空用比较级，排除A。
祝你开心。