Now we can hear the laughter in the dining hall. They ____ a good time.
A: must have had
B: must be having
C: should have had
D: should have
A: must have had
B: must be having
C: should have had
D: should have
举一反三
- We would have dropped by if we _____ time . A: had B: had had C: have D: should have
- It's high time<br/>we _____________ a rest. A: have B: had C: are having D: should have
- Loudspeakers were fixed in the hall so that everyone_____ an opportunity to hear the speech. A: ought to have B: must have C: may have D: should have
- He must have had an accident, or he ______ himself（ ）. A: had to be B: should be C: would be D: would have been
- Loudspeakers were fixed in the hall so that everyone______ an<br/>opportunity to hear the speech. A: ought to have B: must have C: may have D: should have