Mobile phones and electronic calculators be brought in the test rooms at exam times.A. couldn’tB. needn’t C. don’t have to D. mustn’t 题目和参考答案——青夏教育精英家教网—

题目内容

Mobile phones and electronic calculators _______ be brought in the test rooms at exam times.

A. couldn’tB. needn’t

C. don’t have to D. mustn’t

【解析】

试题分析：句意：手机和一些电子计算设备禁止在考试期间被带入考场内。A. couldn’t“不能”；B. needn’t“不必”；C. don’t have to“不必”；D. mustn’t“禁止”。电子设备带进考场是决定禁止的，故选D。

考点：考查情态动词的辨析。

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