Question

【题目】It has been two years since my brother ________ the army.

A. joined in B. took part in C. joined

Answer 1

【答案】C

【解析】试题分析：句意：自从我的弟弟已经参军已经两年了。join in参加活动；join参加团体组织；take part in参加活动。根据army是团体组织，故选C。