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题型：单选题题类：常考题难易度：普通

I have a pet, ______ name is Polly.

A、it's B、it C、its D、my

举一反三

Your home town is really nice! The air quality is as good as______of Sanya.

—Excuse me, is this your iPad ?
—No, it isn't. is at home.

The apple is too big. Let's .

At present, children mean ________ to most parents in China.

Mingming has arrived, ________ but students in your class aren't here yet.

Learning is a lifelong journey because we can learn ________ every day.

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