◎ 题干
You ______ do that again. It's a waste of time.
[     ]
A、needn't
B、don't need
C、need to
D、needn't to
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“You ______ do that again. It's a waste of time. [ ]A、needn't B、don't need C、need to D、needn't to …”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。