Question

1.Don’t run in the hallways, or you may hurt yourself.

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2.Books are everywhere, but it’s not easy to find one that is really interesting.

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3.在过去的10年里，滨州发生了很大的变化。（take place）

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4.很多学生不知道如何应对学习压力。( deal with )

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5.看！有一些女孩在树下跳舞。( there be sb. doing sth…)

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Answer

1.不要在教室里跑,否则你会受伤。

2.书到处都是,但找到一本真正有趣的书是不容易的。

3.Great changes have taken places in Binzhou in the past ten years.

4.Many students don't know how to deal with stress.

5.Look! There are some girls dancing under the tree.

【解析】

1.in the hallways在走廊里，or否则；hurt yourself受伤；故此处为：不要在走廊里跑,否则你会受伤。

2.句型It’s not easy to do sth做某事是不容易的，that is really interesting“真正有趣的”修饰先行词one的定语从句，故此处为：书到处都是,但找到一本真正有趣的书是不容易的。

3.in the past ten years在过去的十年里，作状语，谓语用现在完成时，take place发生，是不及物动词短语，没有被动形式。故此处为Great changes have taken places in Binzhou in the past ten years.

4.how to deal with如何处理，故此处为Many students don't know how to deal with stress.

5.there be sb. doing sth 某人正在做某事，under the tree在树下，故此处为Look! There are some girls dancing under the tree.