题目内容
9.We _____ worry so much about him.He is old enough to take care of himself at college.( )A. | couldn't | B. | mustn't | C. | needn't | D. | daren't |
分析 我们不必这么为他担心.他年龄已经够大,能够在学校照顾自己.
解答 答案是C.本题考查情态动词辨析;couldn't不可能,不能;mustn't禁止;needn't不必;daren't不敢;根据句意选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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