问题补充:
--- Who can reach the book on the top shelf?
---Jack can. He is boy of us all.
A. taller
B. a tall
C. the tallest
D. much tallest
答案:
A. taller
B. a tall
(答案→)C. the tallest
D. much tallest
解析:句意:谁能摸到书架顶端的书?——杰克能。他是我们当中最高的男生。结合语境可知本句表示在多个中进行对比,用形容词的最高级,最高级前不能用much进行修饰,故选C。