Do you think Maths useful subject? A．is aB．is anC．are aD．are an 题目和参考答案——青夏教育精英家教网—

题目内容

Do you think Maths __________ useful subject?

A．is a

B．is an

C．are a

D．are an

解析试题分析：此题重点考查不定冠词的基本用法。冠词a用在辅音音素之前，an用在元音音素之前。单词useful的第一音素是辅音音素，故用a；又因maths是科目，做主语时谓语动词要用单数，故选A。
考点：不定冠词的基本用法。
点评：单词useful和hour前的不定冠词是常考的内容。

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