A little boy wrote “u and “n on the wall.A．a; anB．an; aC．an; anD．a; a 题目和参考答案——青夏教育精英家教网—

A little boy wrote _____ “u” and _____“n” on the wall.

A．a; an

B．an; a

C．an; an

D．a; a

解析试题分析：字母u的词首音素是辅音，故不定冠词用a。字母n的词首音素是元音，故不定冠词用an，选A。
考点：冠词
点评：冠词是一种虚词，一般用于名词前面表示特指或者泛指某一个。冠词的应用都用一定规则，熟记这些规则是解题的关键。需注意的是不定冠词的用法是看词首音素，不是看首字母，如：useful首字母是元音，但是词首音素时辅音，故不定冠词用a；hour首字母是辅音，但是词首音素是元音，故用冠词an。

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