题目

 Mr. Smith gave the attendants a wonderful lecture ______ the company in the international conference. A. in the place of             B.    owing to         C. on behalf of     D. standing for 答案：C考查介词短语。句意：史密斯先生代表公司在国际会议上给与会者做了一场精彩的演讲

查看本题答案和解析