(单选题)
I ( ) writing the paper as scheduled, but my mother’s illness interfered. I hope you will excuse me.
A.am to have finished
B.was to have finished
C.was to finish
D.ought to finish
参考答案:B
知识点:动词的时态和语态 英语 语法串讲(银保监不考) 金融业务 模考估分