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Hold ________. I'll go and get her.

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Would you like a word ________ her?

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The problem ________ electrical signals is that they get weaker and weaker.

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________ other words. you can walk to a distant part to check the information.

用正确的介词或副词填空：

We must get together some other time ________ a chat.

用关系代词或关系副词填空

She heard a terrible noise, ________ brought her heart into her mouth.

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This is the mountain village ________ I stayed last year.

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________ is known , smoking is harmful to one's health.

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He asked a lot of questions, most of ________ had nothing to do with his lessons.

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I still remember the day ________ I fist came to Beijing.