单选题I _______ writing the paper as scheduled, but my father’s illness interfered. I hope you will give me some extra time.A am to have finishedB was to finishC was to have finishedD ought to finish
题目
单选题
I _______ writing the paper as scheduled, but my father’s illness interfered. I hope you will give me some extra time.
A
am to have finished
B
was to finish
C
was to have finished
D
ought to finish