what作形容词时,后面可数名词单数还是复数?what book还是what books,

是不是问类别时,用复数,或者几本书也用复数,一本的话用单数?

为您解答
不一定
如果你只是单纯问这是一本什么书这种特指问题,你可以说
What book is this?
What book are you currently reading?
如果你要是泛指问一类,比如你喜欢什么样的书,那一般用复数
What books do you like?
What books do I need?追答

满意请采纳

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第1个回答  2019-03-04
单复数都可以的。
举例帮你理解:
What book did you buy yesterday?
昨天你买了什么书?(指一本书)
What books did you buy yesterday?
昨天你买了些什么书?(指好多书)
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