Question

【题目】What’s the age _____ your grandfather?

A. in B. of C. on

Answer 1

【答案】B

【解析】句意：你爷爷的年龄有多大了？A. in在……里；B. of……的；C. on在……上。What’s the age of…？用来询问某人年龄的大小，等同于How old…？结合句意，答案为B。