Ididn’t hear the storm. I must have ______________ by then.
举一反三
- I didn' t hear the sound, so I ______ asleep. A: must be B: must have been C: should be D: should have been
- We___them because of the noise from the river then. A: could not have heard B: must not hear C: need not have heard D: may not hear
- There is no _______ definition of a storm but it must be noted that strong winds (unless storm force) or heavy rain alone do not constitute a storm. A: precise B: sound C: ealistic D: unique
- He must have had an accident, or he _____ then.
- He must ______ a shower, for I can hear the water ________. A: have; run B: be having; run C: have; running D: be having; running