Неозначені займенники

Choose the correct word in the sentence:

It was so boring at the party that ... left.

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— Where are you going tonight?   

— ... . I’ll be at home.

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I’ve looked ... for my mobile phone but I haven’t found it.

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Are you going ... this weekend?

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I’m hungry. Let’s go and get ... to eat.

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There is ... interesting at the cinema at the moment, let's go to the gym.