题目内容
16.He ________ sleep,although he tried to,when he got on such a hunt for an idea until he had caught it.( )A. | wouldn't | B. | shouldn't | C. | couldn't | D. | mustn't |
分析 句意:当他终于获得一直在冥思苦想的想法时,尽管他试图想睡着,但却怎么也不能睡着.
解答 答案C.A项wouldn't表示"不愿,不会;总是不";B项shouldn't表示"不应该;大概不可能";D项mustn't"禁止";C项couldn't表示"不能,不可以". 从although he tried to可判断出,他试图想睡,但又不能睡着.结合句意只有C项符合语境,故选C.
点评 本题考查情态动词.解答此类题目关键是要读懂句意,并且对每个情态动词的基本用法和特殊用法都要熟知,然后根据语境辨析锁定答案.
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