题目内容
【题目】_________ the end of my speech, I wish you all have a happy summer vocation.
A. At B. On C. To
【答案】A
【解析】本题主要考查短语：at the end of。
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题目内容
【题目】_________ the end of my speech, I wish you all have a happy summer vocation.
A. At B. On C. To
【答案】A
【解析】本题主要考查短语：at the end of。