Question

The Huang River is the ________ longest river in our country.

1. A.
   two
2. B.
   second
3. C.
   one
4. D.
   three

Answer 1

B
“序数词+最高级+名词单数”，表示“第几……”。再如：I'm the third tallest boy in our class.我是班中第三高的男生。