Here’s a in our office that when it’s somebody’s birthday they bring in a cake for us al

问题补充：

Here’s a in our office that when it’s somebody’s birthday, they bring in a cake for us all to share.

A. tradition

B. balance

C. concern

D. topic

答案：

(答案→)A. tradition

B. balance

C. concern

D. topic

解析：考查名词词义辨析。A传统；B平衡；C关心；D话题；句意：当别人生日时，他们带蛋糕来与大家分享是我们办公室的一个传统。