Question

10. (2015 •湖北黄冈)

—Do you know that China is one of countries in the world?

—Yes,I do. It's much than the US.

   A. oldest;older   B. the oldest;older

   C. the oldest;old   D. the older;old 

Answer 1

10. B

10. B解析：根据“oneof+the+形容词最高 级+可数名词的复数形式”的结构可知，第 一空要用 the oldest;再根据 than the US 可知，第二空要用older。