Question

It’s quite natural that kids like to play with friends _______ their own age.

A．of

B．at

C．with

D．in

Answer 1

A

考查介词：of+抽象名词，表示“…的”of their own age同龄的，作定语修饰friends，句意是：孩子们喜欢和同龄的朋友一起玩很自然。选A。