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题型：单选题题类：难易度：普通

广西防城港市上思县2022-2023学年四年级上学期英语学习成果监测（一）（音频暂未更新）

I have ____ English book and ____ maths book.

A、an; a B、a; an C、a; a

举一反三

There is old tree in the picture. There is old man under tree.

—What's this?

—It is{#blank#}1{#/blank#}(a/an)umbrella.

We have _______ English class in the afternoon.

Look at _________ orange. It's _________ big orange.

I have ________________ keys.

This is an____.

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