I had meant to meet you at the airport this morning but I was too busy for I a report.
A. wrote
B. was writing
C. have written
D. had written
网友回答
A. wrote
(答案→)B. was writing
C. have written
D. had written
解析：
试题分析:考查动词时态。句意：我本来打算今天上午去机场接你的，可是太忙了，因为我在写份报告。从句子情景判断，应该用过去时态，所以排除C选项；D选项是过去完成时态，表示在过去的动作之前发生，不合语境，A选项一般过去时态表示过去发生了的动作，而B选项过去进行时态可以表示过去正在进行的动作，所以正确选项为B。