— The books fell off the desk on the floor. — Oh, __________, please.

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________ humans ________ animals can live without air.

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— Do the twins like singing or dancing? 

— They like

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Could you tell me the way _______ Beijing Road?

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You can't work out the maths problem. I can't, _______.

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_______ is _______ to give than to receive.

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I have _______ had dinner.

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Neither they nor I _______ glad to hear the news.

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Have you practise _______ the piano?

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