You need some more milk,_________?A.do you B.don't you C.needn't you d.aren't you但是为什么不能选C 这里need为情态动词 例如She can dance,can't she?不也是can变can't吗?

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You need some more milk,_________?A.do you B.don't you C.needn't you d.aren't you但是为什么不能选C 这里need为情态动词 例如She can dance,can't she?不也是can变can't吗?
You need some more milk,_________?A.do you B.don't you C.needn't you d.aren't you
但是为什么不能选C 这里need为情态动词 例如She can dance,can't she?不也是can变can't吗?

You need some more milk,_________?A.do you B.don't you C.needn't you d.aren't you但是为什么不能选C 这里need为情态动词 例如She can dance,can't she?不也是can变can't吗?
如果此处need 是情态动词,那么其后也要先跟上动词原形才对啊;
而此处的need后面是直接跟名词性结构的,因此只能是实意动词.
You need drink some more milk,needn't you?
这样就行啦