TodayXiaoLiisabsent___theclass.He

Today Xiao Li is absent ___the class. He ___ illA.for; could have beenB.with; should have beenC.at; could have beenD.from; may have been

参考答案：
D解析第一空为固定短语：be absent from 缺席，不在，第二空考查情态动词表推测的用法，对过去可能性的推测用may have done，所以选D。