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— Is it good to look up every new word when I come across it in reading?
—No,you _____,because you are likely to guess the meaning from the context,
A.don't have to B.shouldn'tC.can'tD.mustn't
A

试题分析:考查情态动词用法。Don’t have to不必;shouldn’t不应该;can’t不可能;mustn’t禁止,千万不能;句意:—当我在阅读的时候,查每一个生单词好吗?—你不必这样做。因为你可能从上下文中猜出这个词的意思的。根据句意说明A正确。
点评:情态动词就是表示说话者对事情的一种看法,也就是一种语气。情态动词的用法一直是命题者常设置的考点和重点,平时要加强记忆。值的注意的是,中学阶段的情态动词常考额有13个,can-could may-might should-ought to had better will-would   need  have to .考生应注意对这13个情态动词的用法多总结,多运用。本题中的四个情态动词的否定式在平时要特别注意。
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