—What’s this in English? —It’s ____ eraser.A．aB．an C．thatD．this

题型：不详难度：来源：

—What’s this in English? —It’s ____ eraser.

A．a

B．an

C．that

D．this

答案

解析

试题分析：根据题干可知eraser是以元音音素开头的单词，故表示泛指的时候，其前面选用不定冠词时要用an。
点评：冠词是一种虚词，在英语中只能和名词一起使用，分为不定冠词和定冠词，a用在辅音开头的单词前面，an用在元音开头的单词前面，定冠词the既可表示特指，也用于形容词最高级之前，序数词之前等

举一反三

I have _____ book. It’s ______ English book.

A．a; a

B．a; an

C．an; a

D．an; an

题型：不详难度：| 查看答案

This is _______ picture I have told you about. Isn’t it _______ beautiful one ?

A．the ; the

B．a ; a

C．the ; a

D．a ; the

题型：不详难度：| 查看答案

It is _________ mobile phone he sent me. I’ve never seen _________ better one before.

A．a; a

B．the; a

C．a; the

D．the; the

题型：不详难度：| 查看答案

-- Who is ____man in a black hat?
-- It’s Jim Black. We often play _______ baseball together in our free time.

A．an, a

B．a, /

C．the, a

D．the, /

题型：不详难度：| 查看答案

--- What’s this?
--- It’s .

A．an ID card	B．a orange
C．ruler	D．an UFO

题型：不详难度：| 查看答案