【题目】He is due to ________ a conference on some current affairs, including unemployment and education, next week.
A.addressB.previewC.instructD.assess
在线课程【答案】A
【解析】
考查动词辨析。句意: 下周，他将在一个有关失业和教育等时事的会议上发表演讲。A. address演说；致词；B. preview预习；C. instruct指导；通知；D. assess评定。根据句意on the conference上就某问题演讲,可知选A。