-He is supposed _____ writing the report.

问题描述:

-He is supposed _____ writing the report.
-But he was really busy.
A.finishing
B.to finish
C.to have finished
D.having finished

很高兴能够在这里回答你的问题,这道题的正确答案应该为:
C
be supposed to do 本应该
他本应该完成这份报告了