Prof. Smith ______ forty or so when I first met him at the International Peace Conference in Geneva.
A: must be
B: had been
C: must have been
D: could be
A: must be
B: had been
C: must have been
D: could be
举一反三
- 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
- 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
- I would have gone with you，but I _______too tired． A: was B: had been C: must be D: must have been
- I didn' t hear the sound, so I ______ asleep. A: must be B: must have been C: should be D: should have been