jack ( )hobby group activities every day takes part in ,jions 选择填空,理由

takes part in 参加.活动 一般用 take part in; join in 等join加入, 一般指参加某个组织, 团体 等,成为其中的一员如：He joined the Party in1980.I'd like to join the clubHis brother joined the army last ye...I am going to ( )the bridge groupjoin