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题型：单选题题类：常考题难易度：普通

There is no living thing on __________moon.

A、the B、a C、不填

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Today Mr Li told us something about universe in class．

Frank knows so much about _____ earth although he is only ____eight-year-old boy.

It rained first, but then sun came out again.

The Whites have planned to visit _______ Great wall in China.

_______ Great Wall is _______ longest wall in the world.

Earth Day reminds people to care about{#blank#}1{#/blank#} earth—the home to all the living things. （用适当的冠词填空。不填，用"/"表示）

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