题目内容
5.-Do you know where David is?I couldn't find him anywhere.-Well.He _____ have gone far-his glasses are still here.( )
A. | shouldn't | B. | mustn't | C. | can't | D. | wouldn't |
分析 ---你知道David在哪儿吗?我到处找不到他.
---哦,他不可能走远,他的眼镜还在这里.
解答 答案:C
A.shouldn't表示带有主观的推断色彩,"理应不,不应该";B.mustn't"禁止,不允许",不能用于推测;C.can't 表示依据客观事实的推测"不可能,肯定不",推测某事发生的可能性很小;D.wouldn't表示的可能性比can't小,语气要弱;根据句中的答语"his glasses are still here.他的眼镜还在这里"可知,"He _____ have gone far"应该是表示推测,意为:他不可能走远.故选C.
点评 情态动词表示推测的用法经常被考到,所以要结合题目,注意区分各情态动词所表示的可能性的大小,语气上的强弱以及是主观上的推测,还是有客观依据的推测.
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