-----Do you know why Lucy didn`t attend the party last night? -----She , I guess. She`d never broken her words before. A. had something important to do B. may forget it C. must have been ill D. must stay at home 查看更多

 

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-----Do you know why Lucy didn`t attend the party last night?
    -----She ______, I guess. She`d never broken her words before.
   A. had something important to do      B. may forget it
   C. must have been ill                D. must stay at home

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