问题补充:
—Do you like math ?
---Yes ,but I think it’s subject of all.
A. the easiest
B. the most difficult
C. easier
D. more difficult
答案:
A. the easiest
(答案→)B. the most difficult
C. easier
D. more difficult
解析:本题考查最形容词高级的用法。因为subject of all是所有的科目,所以用最高级difficult是多音节的词,最高级前面要加the most所以答案是B。