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--- It’s so late. Our son______ be back!
--- Don’t worry. I dare say he ______ have some extra work to do.
A.can; mustB.will; mightC.should; mustD.must; may
C

试题分析:考查情态动词:句意:--很晚了,我儿子应该回来了!--别担心,我敢说,他一定有很多作业要做。第一空填should表示“按道理应该”,can是“能够”,will是“愿意”,must是“必须”,第二空填must表示推测,“一定是”might和may是“可能”,选C。
点评:情态动词表推测注意以下解题步骤:认真审题,结合所给出的语境,正确把握说话者的语气、情感、态度、观点等。认真思考所给选项中情态动词的基本特征和用法,并结合语境推敲答案。要注意把握时间概念。
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