题目内容
18.Now that you have passed the exam,you ______do today's homework.( )| A. | don't need | B. | need to | C. | needn't | D. | need |
分析 既然你已经通过了考试,你不必做今天的家庭作业了.
解答 正确答案:C.need作实义动词,表示需要,后常跟动词不定式;作情态动词,常用于否定句和疑问句,表示不必.根据句意可知"既然你已经通过了考试,那你就不必做今天的家庭作业.",划线处表"不必",则应填写情态动词need的否定式needn't,故选择C.now that表示"既然".
点评 本题考查情态动词need的用法,基础题,掌握其基本用法,再根据题干即可作出选择.
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