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题型：单选题题类：常考题难易度：容易

不定冠词：表示“相同”，相当于the same

They are of blood.

A、an B、the C、/ D、a

举一反三

In order to find _______ better job in the future, he planned to learn _______ second foreign language.

You have hour to watch TV.

professor from Qinghua University will give us a lecture.

Mary is 18-year-old girl. She is studying at Beijing University.

— Is that elephant from _______ Asia?

— No, it isn't. It's from _______African country.

If you see the film for ___________ second time, you'll have ___________ better understanding.

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