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There are nine        books in the library.

A.hundreds B.hundred
C.hundred of D.hundreds of

B

解析試題分析:句意:圖書館里有900本書。hundred 百,當(dāng)它和數(shù)詞連用表示具體的數(shù)目時(shí),不用復(fù)數(shù)形式;或者構(gòu)成短語hundreds of,意思是成百的。A不應(yīng)該用復(fù)數(shù);C和D短語不成立。故選B。
考點(diǎn):考查數(shù)詞。

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