◎ 题干
— Let's discuss the question raised last night, shall we? 
— There is no hurry for that. I _____ for a conference.

A. headed
B. was heading
C. am heading
D. have headed
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Let's discuss the question raised last night, shall we?— There is no hurry for that. I _____ for a conference. [ ]A. headedB. was headingC. am headingD.…”主要考查了你对  【现在进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。