Question

Many children      your age are always      a good mood to do what they’re interested in.

A．at, in

B．of, in

C．at, on

D．of, with

Answer 1

B

试题分析：句意：许多你这个年龄的孩子都有很好的心情去做他们感兴趣的事。介词短语of one’s age和某人同岁；in a good mood有很好的心情。选B。
考点: 考查介词短语的用法。