[题目]Bob is eleven-year-old boy, but he knows a lot about the Internet.A. an B. a C. the D. / 题目和参考答案——青夏教育精英家教网—

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【题目】Bob is ________ eleven-year-old boy, but he knows a lot about the Internet.

A. an B. a C. the D. /

【答案】A

【解析】

试题分析：句意：鲍勃是一个11岁的男孩，但他知道很多关于互联网的知识。eleven ['lev()n]以元音音素开头，故前面用不定冠词an，答案为A。

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