题目内容
2.Mobile phones and electronic calculators _______ be brought in the test rooms at exam times.( )| A. | couldn't | B. | needn't | C. | don't have to | D. | mustn't |
分析 手机和电子计算器在考试时间不允许被带进考场.
解答 答案:D.couldn't不可能;needn't不必;don't have to不必;mustn't不可以,禁止.根据Mobile phones and electronic calculators,可知手机和电子计算器在考试时间不允许被带进考场的,这是考场纪律.明令禁止的事情.mustn't不可以,禁止.故选D.
点评 本题考查了情态动词的用法.熟知句意以及所给选项的意思是解答本题的关键.
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