I didn' t hear the sound, so I ______ asleep.
A: must be
B: must have been
C: should be
D: should have been
A: must be
B: must have been
C: should be
D: should have been
B
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举一反三
- He fifty when I met him the first time. A: must be B: must have been C: should be D: should have been
- I ___ him the answer ___ possible, but I was so busy then. A: could tell, if it had been B: must have told, were it C: should have told, had it been D: should have told, should it be
- He did not attend the meeting yesterday. He______ill. A: must be B: must have been C: should be D: should have been
- I didn't tell her the truth,but I her. A: ought tell B: must have told C: must tell D: should have told
- Somebody ______ here only this morning. A: must be B: can be C: must have been D: should have been
内容
- 0
Look, the trees are fallen. There _______ a strong wind. A: must be B: should have been C: must have been D: could be
- 1
David, you are so lazy. This job( )hours before. A: should finish B: could be finished C: should have been finished D: must have been finished
- 2
I would have gone with you，but I _______too tired． A: was B: had been C: must be D: must have been
- 3
She _______ fifty or so when I first met her at a conference. A: had been B: must be C: has been D: must have been
- 4
I wish I _______yesterday’s party. A: had not been to B: have not gone to C: should have gone to D: should have been to