◎ 题干
—Must I wait here now?
—No,you                  .You may come back in half an hour. 
[     ]
A. mustn't                
B. can't
C. needn't                
D. don't
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Must I wait here now?—No,you .You may come back in half an hour.[ ]A. mustn'tB. can'tC. needn'tD. don't…”主要考查了你对  【情态动词】  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。