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
A: ought to have
B: must have
C: may have
D: should have
举一反三
- 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
- Loudspeakers were fixed in the hall so that everyone _____ an opportunity to hear the speech.
- Loudspeakers were fixed to _____ everyone an opportunity to hear the speech.
- I didn' t hear the sound, so I ______ asleep. A: must be B: must have been C: should be D: should have been
- The computer doesn’t work well, so something __1__wrong. A: can have gone B: should have gone C: must have gone D: ought to have gone