题目内容
7.Tom ____ be ill,for I saw him playing basketball an hour ago.( )A. | mustn't | B. | needn't | C. | can't | D. | may not |
分析 Tom不可能生病了,因为一小时前我看到他在打篮球.
解答 答案是C.本题考查情态动词辨析;mustn't禁止;needn't不必;can't不可能;may not也许不;根据下文"I saw him playing basketball an hour ago(我一小时前看到他在打篮球)"推断Tom"不可能"生病,所以答案选择C.
点评 要在正确理解情态动词的基本含义的基础上,整体理解语境中的情感态度,做出合理的判断.
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