摘要：1744] A student began to sing a song, and soon everyone else him. [译文] 一个学生开始唱歌.马上其他学生就加入到他一起唱歌了. A. took part in B. joined with C. joined in D. joined [答案及简析] D. take part in 和join in都是后面跟表示活动的名词.join才有加入到某人一起的意思.

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