◎ 题干
He failed in the driving test again. He _____.
[     ]
A. must have disappointed
B. must have been disappointed
C. might be disappointed
D. couldn't be disappointed
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He failed in the driving test again. He _____. [ ]A. must have disappointed B. must have been disappointed C. might be disappointed D. couldn't be disappo…”主要考查了你对  【情态动词】【现在完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。