- 二一组卷

题型：单选题题类：常考题难易度：普通

广东省湛江市第二十二中学2020届九年级上学期英语12月月考试卷

I think it is _______useful robot and it can help a lot in _______earthquake.

A、a; an B、an; an C、an; a D、/; a

举一反三

— No, it isn't. It's_______ apple.

—Yes, and he also has eight-year-old daughter.

—What? I have never heard of ______idea before.

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