题目

--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?--- I’m afraid not. I ______ a meeting then.A. will have attended B. was attendingC. will be attending D. am attending 答案：【答案】C【解析】考查时态。句意：“如果我明天早上9点给你打电话，你方便吗?”“恐怕不行。那时我将参加一个会议。”根据语境时间状语at 9 o'clock tomorrow morning及then（那时候）可知，此处指将来某一时刻正在发生的动作，应使用将来进行时。故C选项正确。

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