______(不会用)a computer makes it more difficult for him to do his academic research.(use)

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问题 ______(不会用)a computer makes it more difficult for him to do his academic research.(use)

选项

答案Not being able to use/Being unable to use/Not knowing how to use

解析 从语境看,本空在句中作主语,因此“不会用”在这里要用Not being able to use或Being unable to use,即用be able to的动名词的否定形式作主语,不能用can;或者用Not knowing how to use表示“不知道如何使用”。本题的考查涉及情态动词、动名词的否定形式作主语和不定式的用法。句意:不会使用电脑,这使他更难进行自己的学术研究。
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