you _____pay for the book if you _____itA don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need
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![you _____pay for the book if you _____itA don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need](/uploads/image/z/9078548-68-8.jpg?t=you+_____pay+for+the+book+if+you+_____itA+don%27t+need+to+%3Bneedn%27t+B+don%27t+need+%3Bdon%27t+need+C+needn%27t+%3Bneedn%27t+D+needn%27t+%3Bdon%27t+need)
you _____pay for the book if you _____itA don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need
you _____pay for the book if you _____it
A don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need
you _____pay for the book if you _____itA don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need
D
如果你不需要这本书,你没必须付钱
前一个是没必要,用needn't
后一个是不需要,所以用don't need
D,前一个空做情态动词表示不需要,后一个就是普通的动词
我觉得选A
如果你不需要这本书 你没必要付钱
这句话首先要确定的是主将从现,主句用将来时,从句用一般现在时表示将来。因此第二个空要填need做实意动词的用法,做实意动词的否定时,要有相应的助动词+not.因此排除A,C.
主将从现的句子,主句除了可以用将来时,还可以用情态动词+原形动词。因此选D...
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这句话首先要确定的是主将从现,主句用将来时,从句用一般现在时表示将来。因此第二个空要填need做实意动词的用法,做实意动词的否定时,要有相应的助动词+not.因此排除A,C.
主将从现的句子,主句除了可以用将来时,还可以用情态动词+原形动词。因此选D
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