第31题: [单项选择]{{U}}On behalf of{{/U}} everyone in this party, I wish you a very happy birthday. A. Presenting B. Assisting C. Representing D. Cheating 参考答案:C 答案解析:[解析] 本题考查的是对短语的理解。四个选项中,A选项present的意思是“给、提出”,如:They will present the investigation report tomorrow.他