--- I let my secretary call you several times. Do you know that? ---- I _______ in a meeting. I’m so...
2023-01-29 00:44:30 124次 2010年北师大版高一英语必修一unit2单元测试2 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--- I let my secretary call you several
times. Do you know that?
---- I _______ in a meeting. I’m
sorry.
A. had
been B. was C.am D. have
been
本题链接：
