题目内容
用a或an填空。
1.That is ____ apple and it is nice.
2.—What's that?
—It's ____ computer.
3.This is ____ English book and that is ________ math book.
4.Here is ____ cup for you.
5.—Is it ____ orange?
—Yes, it is.
6.—Is that ____ pen?
—No, it isn't.
7.In the picture, there is ____ A and ____ B.
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