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题型：单选题题类：真题难易度：普通

I've had ______ bad cold, so I don't think I can go to ______ school today.

A、a; / B、/ ; the C、/; / D、a ; the

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-- Air pollution was the biggest problem in the _______ in this city.

-- Yes. But now the people here are trying hard to make the air become better and _____.

____ one-hour documentary takes ____ close look at the life of giant pandas in Wolong.

_______ number of boys are playing _______ basketball on the playground.

The meeting is so boring. Everyone wishes it to come to{#blank#}1{#/blank#}end soon.

On his way ____ home, he saw a lot of tall buildings.

Guan Chenchen is ____ university student now, and she has made____ great progress in her study.

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