It must have been a ()journey
举一反三
- Somebody ______ here only this morning. A: must be B: can be C: must have been D: should have been
- Look, the trees are fallen. There _______ a strong wind. A: must be B: should have been C: must have been D: could be
- He looks tired. He ______ a sleepless night. A: must have been B: must have had C: must be D: must have
- I would have gone with you，but I _______too tired． A: was B: had been C: must be D: must have been
- He did not attend the meeting yesterday. He______ill. A: must be B: must have been C: should be D: should have been