用适当的介词填空

What do you think ________ it?

用适当的介词填空

He leaped ________ the stream ________ a single leap．

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I disagree ________ you ________ this point．

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The man ________ whom I am talking ________ my study is our English teacher．

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They live ________ London during the week and go to the country ________ the weekend．

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This is the watch ________ which I am looking．

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He made another wonderful discovery, which is ________ great importance to science．

根据句意和提示完成句子

这是一个感人的故事。

This is ________　________　________．

根据句意和提示完成句子

必须立即采取行动阻止火势蔓延。

Immediate action ________　________　________ to stop the fire________．

根据句意和提示完成句子

我们可以回到最初有关集资的问题上吗？

Could we ________　________　________ the original question of funding?