Although it is a very tough task, you______afraid of any difficulties.

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问题 Although it is a very tough task, you______afraid of any difficulties.

选项 A、need not to be
B、need not
C、don’t need
D、need not be

答案D

解析 该题是语法结构题,考查情态动词的用法。need既可做实义动词,也可做情态动词。当need做实义动词时,有时态和人称变化,如:He needs to go home.他需要回家一趟。当它是情态动词时,无人称变化,只有现在时,并且用在否定句、疑问句和条件句中,如:You needn’t work so late.你不必工作得这么晚。因此,根据题意和语法规则,选项D为最佳答案。
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