A.You must be feeling sorry.
B.You must go home before 8 0'clock.
C.You must work harder to get that position.
D.You must complete the task within the required time.
A.to leave
B.1eaving
C.to have left
D.1eft
A.may well
B.just as well
C.might as well
D.as well
A.have stolen
B.steal
C.stole
D.stealing