2012·辽宁·一模
1 . I really don’t know how to thank you , but for your help, I ______ my lost necklace.
A.couldn’t have found | B.mustn’t have found |
C.couldn’t find | D.wouldn’t find |
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2010·辽宁·一模
2 . You _____ her in her office last Friday, she’s been out of town for two weeks.
A.needn’t have seen | B.must have seen |
C.might have seen | D.can’t have seen |
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