. ---The train hasn’t come yet. It is half an hour late.
--- Yes. It __________ here at 2:02 as scheduled.
A. must have been B. should be C. should have been D. must be
. ---The train hasn’t come yet. It is half an hour late.
--- Yes. It __________ here at 2:02 as scheduled.
A. must have been B. should be C. should have been D. must be
C