—Cathy， did you attend the lecture given by Mr． Black last night？—No． I ______ a

题干

—Cathy， did you attend the lecture given by Mr． Black last night？
—No． I ______ a report at the office．

A．was writing	B．wrote
C．had written	D．have been writing

上一题下一题 0.64难度单项选择更新时间:2013-11-21 10:58:05

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