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题型：单选题题类：真题难易度：普通

It is so cold that you can't go outside _____ fully covered in thick clothes.

A、if B、unless C、once D、when

举一反三

He has been in bed ______ he fell off his bike a week ago.

Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.

There are signs _________ restauraunts are becoming more popular with families.

I think Tom will make a good monitor, I'd like to vote for him.

It is extraordinarily difficult to get a leading job in most fields without having been to university, your talents.

People began to concentrate less on religious themes and a{#blank#}1{#/blank#}(采取)a more humanistic attitude to life.

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