【題目】Do you think should be allowed to drive?

A. sixteen-year-old

B. seventeen-year-olds

C. fifteen-year-old

【答案】B

【解析】

試題分析：句意：你認(rèn)為17歲的孩子應(yīng)該被允許開車嗎？數(shù)詞-單數(shù)名詞-形容詞”作定語，例如，“一個3歲大的男孩”a three-year-old boy。題目中沒有名詞，因此，這個短語本身加s表示復(fù)數(shù)含義。故選B。

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