You____an operation A don't need to B needn't C AB皆可

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You____an operation A don't need to B needn't C AB皆可
You____an operation A don't need to B needn't C AB皆可

You____an operation A don't need to B needn't C AB皆可
如果只是根据你给的题目来看,答案都是有问题的哦
A don't need to +do sth ,翻译:不需要做.eg:I don't need to get up early today .(need在此处为普通动词)
B needn't +dosth 翻译:不必要做.eg:You needn't run so fast.(need 为情态动词是,通常作为否定形式出现)
本句可修改为:You don't need to have an operation .(你不需要做手术)

a

B
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选B .A中的dont need to + do sth 而B可以直接加名词 an operation 是名词 所以选B

C
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