We don't know who ____ for the murder, b
问题:
We don't know who ____ for the murder, but the policemen will tell us the truth soon. [ ]
A. is to blame
B. is to be blamed
C. is blaming
D. is to be blaming
We don't know who ____ for the murder, but the policemen will tell us the truth soon. [ ]
A. is to blame
B. is to be blamed
C. is blaming
D. is to be blaming